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A045551 Numbers n such that final 2 nonzero digits of n! are '04'. 0
7, 28, 56, 64, 124, 138, 152, 164, 214, 233, 239, 244, 263, 283, 294, 304, 358, 364, 369, 381, 459, 466, 484, 488, 491, 524, 529, 532, 561, 604, 646, 703, 737, 804, 830, 893, 905, 952, 956, 977, 980, 1008, 1019, 1034, 1036, 1041, 1050, 1051, 1086, 1093 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Index entries for sequences related to final digits of numbers

MATHEMATICA

f[ n_Integer, m_Integer ] := (c = 0; p = 1; While[ d = Floor[ n/5^p ]; d > 0, c = c + d; p++ ]; Mod[ n!/10^c, m ] ); Select[ Range[ 250 ], f[ #, 100 ] == 4 & ]

CROSSREFS

Sequence in context: A068206 A118120 A078307 * A024844 A033582 A176362

Adjacent sequences:  A045548 A045549 A045550 * A045552 A045553 A045554

KEYWORD

nonn,base

AUTHOR

Jeff Burch (gburch(AT)erols.com)

EXTENSIONS

More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 14 2000

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Last modified February 13 18:09 EST 2012. Contains 205534 sequences.