id:A045551 - OEIS Search Results

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Numbers n such that final 2 nonzero digits of n! are '04'.

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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; listen)

	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	`Adjacent sequences: A045548 A045549 A045550 this_sequence A045552 A045553 A045554` `Sequence in context: A068206 A118120 A078307 this_sequence A024844 A033582 A008457`
	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 October 5 16:50 EDT 2008. Contains 144613 sequences.

AT&T Labs Research