A171577 0, 1 and primes > 3.

0, 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

Author

Juri-Stepan Gerasimov, Dec 12 2009, Dec 16 2009

Keywords

• nonn
• easy
• less

Comments

0 together with A140475. [Arkadiusz Wesolowski, Aug 26 2011]

Programs

Mathematica

Join[{0,1},Prime[Range[3,60]]] (* Harvey P. Dale, May 06 2018 *)

PARI

a(n)=if(n>2,prime(n),n-1) \\ Charles R Greathouse IV, Aug 26 2011