A136768 - OEIS

A136768

n! never ends in this many 0's in base 7.

7, 15, 23, 31, 39, 47, 55, 56, 64, 72, 80, 88, 96, 104, 112, 113, 121, 129, 137, 145, 153, 161, 169, 170, 178, 186, 194, 202, 210, 218, 226, 227, 235, 243, 251, 259, 267, 275, 283, 284, 292, 300, 308, 316, 324, 332, 340, 341, 349, 357, 365, 373, 381, 389, 397

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OFFSET

1,1

COMMENTS

Also: n! never ends in this many 0's in base 14, 21, 28 and all other 7-divisible proper factors of 7!

LINKS

Table of n, a(n) for n=1..55.

CROSSREFS

Cf. A000142, A136758, A136694.

Cf. A000966, A055938, A096346, A136767, A136769, A136770, A136771, A136772, A136773, A136774.

Sequence in context: A292639 A337239 A043449 * A031490 A189754 A059562

Adjacent sequences: A136765 A136766 A136767 * A136769 A136770 A136771

KEYWORD

base,nonn

AUTHOR

Carl R. White, Jan 21 2008

STATUS

approved