A140475 1 along with primes greater than 3.

1, 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

Offset

1,2

Links

Table of n, a(n) for n=1..58.

Prog

(PARI) a(n)=if(n>1, prime(n+1), 1) \\ Charles R Greathouse IV, Aug 26 2011

Crossrefs

A169611(n)=0.

Sequence in context: A243292 A271116 A171525 * A171577 A215848 A175212

Adjacent sequences: A140472 A140473 A140474 * A140476 A140477 A140478

Keyword

nonn,easy

Author

Juri-Stepan Gerasimov, Jul 23 2008

Extensions

7 inserted by R. J. Mathar, Dec 13 2008

Edited by Associate Editors of the OEIS, Mar 18 2010

Status

approved