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A092428 Numbers n such that A092255(n) == 2 (mod 3). +0
2
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 (list; graph; listen)
OFFSET

1,1

FORMULA

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

PROGRAM

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

CROSSREFS

Sequence in context: A101154 A090070 A078005 this_sequence A102998 A071179 A155475

Adjacent sequences: A092425 A092426 A092427 this_sequence A092429 A092430 A092431

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 22 2004

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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.


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