A246500 Characteristic function of the prime numbers mod 9 over the set {2,4,8,1,5,7}.

1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1

Offset

1

Links

Odimar Fabeny, Table of n, a(n) for n = 1..10002

Example

2   4   8   1   5   7
=======================================
2               5   7   primes
1   0   0   0   1   1   this sequence
11  13  17  19  23      primes
1   1   1   1   1   0   this sequence
29  31      37  41  43  primes
1   1   0   1   1   1   this sequence

Crossrefs

Cf. A000040, A038194, A061238, A061237, A061239, A061240, A061241, A061242, A075743, A153110, A156706.

Sequence in context: A288855 A138711 A285617 * A185114 A154281 A154282

Adjacent sequences: A246497 A246498 A246499 * A246501 A246502 A246503

Keyword

nonn,easy,base

Author

Odimar Fabeny, Aug 27 2014

Status

approved