|
Search: id:A141258
|
|
| |
|
| 1, 2, 3, 4, 5, 6, 7, 6, 9, 10, 11, 10, 13, 14, 11, 10, 17, 18, 19, 16, 15, 22, 23, 14, 25, 26, 27, 22, 29, 22, 31, 18, 23, 34, 23, 28, 37, 38, 27, 22, 41, 30, 43, 34, 29, 46, 47, 22, 49, 50, 35, 40, 53, 54, 35, 30, 39, 58, 59, 34, 61, 62, 27, 34, 29, 46, 67, 52, 47, 46, 71, 38
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
n-th term = prime when n is prime.
|
|
FORMULA
|
Inverse Mobius transform of A002322, (1, 1, 2, 2, 4, 2, 6, 2, 6, 4, 10, 2, 12,...).
|
|
EXAMPLE
|
a(6) = 6 = (1, 1, 1, 0, 0, 1) dot (1, 1, 2, 2, 4, 2) = (1 + 1 + 2 + 0 + 0 + 2); where (1, 1, 1, 0, 0, 1) = row 6 of triangle A051731.
|
|
CROSSREFS
|
Cf. A002322.
Sequence in context: A071934 A161658 A066853 this_sequence A117656 A101918 A132125
Adjacent sequences: A141255 A141256 A141257 this_sequence A141259 A141260 A141261
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 18 2008
|
|
EXTENSIONS
|
More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 19 2009
|
|
|
Search completed in 0.002 seconds
|
