1,1

The next term is too large to include.

Harry J. Smith, Table of n, a(n) for n=1,...,5

Eric Weisstein's World of Mathematics, Super Catalan Number

(PARI) s(m)= { if (m==1, return(a1)); if (m==2, return(a2)); r = (3*(2*m - 3)*a2 - (m - 3)*a1)/m; a1=a2; a2=r; return(r); } { a1=1; a2=1; n=0; for (m=1, 300, a=s(m); if (isprime(a), write("b092840.txt", n++, " ", a))); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 21 2009]

Cf. A001003, A092839.

Sequence in context: A103836 A081484 A125738 this_sequence A007156 A060346 A165946

Adjacent sequences: A092837 A092838 A092839 this_sequence A092841 A092842 A092843

nonn

Eric Weisstein (eric(AT)weisstein.com), Mar 07, 2004