The On-Line Encyclopedia of Integer Sequences (OEIS)

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A092428

Numbers n such that A092255(n) == 2 (mod 3).
(history; published version)

#6 by Russ Cox at Fri Mar 30 18:39:22 EDT 2012

AUTHOR

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

Discussion

Fri Mar 30

18:39

OEIS Server: https://oeis.org/edit/global/216

#5 by N. J. A. Sloane at Sun Jun 29 03:00:00 EDT 2008

KEYWORD

nonn,new

nonn

AUTHOR

Benoit Cloitre (abmtbenoit7848c(AT)wanadooorange.fr), Mar 22 2004

#4 by N. J. A. Sloane at Wed Sep 21 03:00:00 EDT 2005

KEYWORD

nonn,new

nonn

AUTHOR

Benoit Cloitre (abcloitreabmt(AT)modulonetwanadoo.fr), Mar 22 2004

#3 by N. J. A. Sloane at Tue Jul 19 03:00:00 EDT 2005

KEYWORD

nonn,new

nonn

AUTHOR

Benoit Cloitre (abcloitre(AT)wanadoomodulonet.fr), Mar 22 2004

#2 by N. J. A. Sloane at Wed Sep 22 03:00:00 EDT 2004

NAME

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

KEYWORD

nonn,new

nonn

#1 by N. J. A. Sloane at Sat Jun 12 03:00:00 EDT 2004

NAME

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

DATA

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

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, ", ")))

KEYWORD

nonn

AUTHOR

Benoit Cloitre (abcloitre(AT)wanadoo.fr), Mar 22 2004

STATUS

approved