A063944 - OEIS

This site is supported by donations to The OEIS Foundation.

A063944

Final nonzero digit of (n!)! (A000197).

1, 1, 2, 2, 6, 6, 6, 4, 6, 8, 2, 8, 8, 6, 4, 4, 6, 6, 8, 2, 6, 4, 4, 8, 2, 2, 6, 2, 2, 6, 4, 6, 2, 2, 8, 4, 6, 8, 2, 2, 2, 2, 8, 6, 6, 6, 2, 2, 6, 8, 4, 2, 2, 2, 8, 8, 4, 4, 2, 6, 8, 6, 4, 6, 6, 4, 8, 2, 2, 4, 4, 2, 8, 2, 8, 2, 4, 2, 8, 8, 6, 8, 2, 8, 4, 4, 6, 8, 8, 6, 2, 4, 6, 2, 6, 4, 2, 6, 4, 6, 2, 6, 4, 2, 8, 2, 4, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	LINKS	`David W. Wilson, Table of n, a(n) for n=0,...,1000` `Index entries for sequences related to final digits of numbers`
	PROG	`(PARI) for(n=0, 22, m=n!!; while(Mod(m, 10) == 0, m=m/10); print(Mod(m, 10)))`
	CROSSREFS	`Cf. A000197, A008904.` `Sequence in context: A173869 A167909 A185421 * A086447 A196872 A140219` `Adjacent sequences: A063941 A063942 A063943 * A063945 A063946 A063947`
	KEYWORD	`nonn,base`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Sep 01 2001`
	EXTENSIONS	`More terms from David W. Wilson (davidwwilson(AT)comcast.net), Sep 05, 2001, who remarks that "I'll tell you, computing (107!)! took up some disk space!"`

Content is available under The OEIS End-User License Agreement .

Last modified February 15 23:53 EST 2012. Contains 205860 sequences.