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A160656 The odd prime numbers together with 0: p-(-1)^p-1 where p=n-th prime. +0
1
0, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n)=p-(-1)^p-1 where p=n-th prime.

CROSSREFS

Cf. A000040, A006005, A158611.

Sequence in context: A074918 A006005 A065091 this_sequence A073579 A065380 A038134

Adjacent sequences: A160653 A160654 A160655 this_sequence A160657 A160658 A160659

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), May 23 2009

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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