A048842 - OEIS

A048842

Least positive integer k for which 13^n divides k!.

1, 13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 156, 169, 169, 182, 195, 208, 221, 234, 247, 260, 273, 286, 299, 312, 325, 338, 338, 351, 364, 377, 390, 403, 416, 429, 442, 455, 468, 481, 494, 507, 507, 520, 533, 546, 559, 572, 585, 598

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OFFSET

0,2

LINKS

T. D. Noe, Table of n, a(n) for n = 0..1000

PROG

(PARI) a(n) = {k = 1; ok = 0; until (ok, if (k! % 13^n == 0, ok=1, k++); ); return (k); } \\ Michel Marcus, Jun 30 2013

CROSSREFS

See A007843 for more information.

Sequence in context: A256344 A044853 A044898 * A008595 A080196 A033025

Adjacent sequences: A048839 A048840 A048841 * A048843 A048844 A048845

KEYWORD

nonn

AUTHOR

Charles T. Le (charlestle(AT)yahoo.com)

STATUS

approved