A092428 Numbers n such that A092255(n) == 2 (mod 3).

4, 10, 12, 13, 28, 30, 31, 36, 37, 39, 40, 82, 84, 85, 90, 91, 93, 94, 108, 109, 111, 112, 117, 118, 120, 121, 244, 246, 247, 252, 253, 255, 256, 270, 271, 273, 274, 279, 280, 282, 283, 324, 325, 327, 328, 333, 334, 336, 337, 351, 352, 354, 355, 360, 361, 363

Offset

1,1

Links

Table of n, a(n) for n=1..56.

Formula

A092255(n) == 2 (mod 3) iff n is not a power of 3 or n is not in A074940

Prog

(PARI) for(n=1, 775, if(binomial(2*n, n)%3*abs(gcd(3^50, n)-n)>0, print1(n, ", ")))

Crossrefs

Sequence in context: A078005 A370859 A355275 * A170943 A102998 A071179

Adjacent sequences: A092425 A092426 A092427 * A092429 A092430 A092431

Keyword

nonn

Author

Benoit Cloitre, Mar 22 2004

Status

approved