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A160656
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The odd prime numbers together with 0: p - (-1)^p - 1 where p = n-th prime.
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0
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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; refs; listen; history; internal format)
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OFFSET
| 1,2
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FORMULA
| a(n) = p - (-1)^p - 1 where p is the n-th prime.
a(n) = p mod n^2, where p is the n-th prime. [From Gary Detlefs, Jan 14 2012]
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MAPLE
| seq(ithprime(n) mod n^2, n=1..59). [From Gary Detlefs, Jan 14 2012]
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PROG
| (PARI) a(n)=if(n>1, prime(n)) \\ Charles R Greathouse IV, Aug 26 2011
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CROSSREFS
| Cf. A000040, A006005, A158611.
Sequence in context: A176997 A006005 A065091 * A073579 A065380 A038134
Adjacent sequences: A160653 A160654 A160655 * A160657 A160658 A160659
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KEYWORD
| nonn,easy,changed
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AUTHOR
| Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), May 23 2009
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