A136774 n! never ends in this many 0's in base 16.

62, 94, 110, 118, 126, 158, 174, 182, 190, 206, 214, 222, 230, 238, 254, 286, 302, 310, 318, 334, 342, 350, 358, 366, 382, 398, 406, 414, 422, 430, 446, 454, 462, 478, 510, 542, 558, 566, 574, 590, 598, 606, 614, 622, 638, 654, 662, 670, 678, 686, 702, 710

Offset

1,1

Links

Robert G. Wilson v, Table of n, a(n) for n = 1..1000

Formula

Conjecture: a(n) ~ 16n. This holds with probability 1 in a random model. - Charles R Greathouse IV, Sep 22 2016

Prog

(PARI) is(n)=my(t=4*n+2, s=1-hammingweight(n)); while(s<0, s+=valuation(t+=2, 2)); s>3 \\ Charles R Greathouse IV, Sep 22 2016

Crossrefs

Cf. A000142, A136766, A136702, A000966, A055938, A096346, A136767, A136768, A136769, A136770, A136771, A136772, A136773.

Sequence in context: A282241 A114966 A104078 * A207145 A044249 A044630

Adjacent sequences: A136771 A136772 A136773 * A136775 A136776 A136777

Keyword

base,nonn

Author

Carl R. White, Jan 21 2008

Status

approved