0,6

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 810.

L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 49.

H. T. Davis, Tables of the Mathematical Functions. Vols. 1 and 2, 2nd ed., 1963, Vol. 3 (with V. J. Fisher), 1962; Principia Press of Trinity Univ., San Antonio, TX, Vol. 2, p. 230.

G. Everest, A. van der Poorten, I. Shparlinski and T. Ward, Recurrence Sequences, Amer. Math. Soc., 2003; see esp. p. 255.

H. H. Goldstine, A History of Numerical Analysis, Springer-Verlag, 1977; Section 2.6.

F. Lemmermeyer, Reciprocity Laws From Euler to Eisenstein, Springer-Verlag, 2000, p. 330.

H. Rademacher, Topics in Analytic Number Theory, Springer, 1973, Chap. 1.

Zhi-Hong Sun, Congruences involving Bernoulli polynomials, Discr. Math., 308 (2007), 71-112.

S. Plouffe, Table of n, a(n) for n = 0..249 [taken from link below]

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].

J. L. Arregui, Tangent and Bernoulli numbers related to Motzkin and Catalan numbers by means of numerical triangles.

J. Butcher, Some applications of Bernoulli numbers

C. K. Caldwell, The Prime Glossary, Bernoulli number

R. Jovanovic, Bernoulli numbers and the Pascal triangle

M. Kaneko, The Akiyama-Tanigawa algorithm for Bernoulli numbers, J. Integer Sequences, 3 (2000), #00.2.9.

B. C. Kellner, On irregular prime power divisors of the Bernoulli numbers

B. C. Kellner, The structure of Bernoulli numbers

C. Lin and L. Zhipeng, On Bernoulli numbers and its properties

S. O. S. Math, Bernoulli and Euler Numbers

Hisanori Mishima, Factorizations of many number sequences

Hisanori Mishima, Factorizations of many number sequences

Niels Nielsen, Traite Elementaire des Nombres de Bernoulli, Gauthier-Villars, 1923, pp. 398.

S. Plouffe, The 250,000-th Bernoulli Number

S. Plouffe, The First 498 Bernoulli numbers [Project Gutenberg Etext]

S. Ramanujan, Some Properties of Bernoulli's Numbers

S. S. Wagstaff, Prime factors of the absolute values of Bernoulli numerators

Eric Weisstein's World of Mathematics, More information.

Wikipedia, Bernoulli number

Index entries for sequences related to Bernoulli numbers.

E.g.f: t/(e^t - 1).

B_{2n}/(2n)! = 2*(-1)^(n-1)*(2*Pi)^(-2n) Sum_{k=1..inf} 1/k^(2n) (gives asymptotics) - Rademacher, p. 16, Eq. (9.1). In particular, B_{2*n} ~ (-1)^(n-1)*2*(2*n)!/(2*Pi)^(2*n).

B_{2n} = [ 1, 1/6, -1/30, 1/42, -1/30, 5/66, -691/2730, 7/6, -3617/510,... ].

bernoulli(n);

(PARI) a(n)=numerator(bernfrac(2*n))

B_n gives A027641/A027642. See A027641 for full list of references, links, formulae, etc.

See A002445 for denominators.

Cf. also A002882, A003245, A127187, A127188.

Adjacent sequences: A000364 A000365 A000366 this_sequence A000368 A000369 A000370

Sequence in context: A117709 A133750 A090947 this_sequence A092133 A071772 A157281

sign,frac,nice

N. J. A. Sloane (njas(AT)research.att.com).