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A063944 Final nonzero digit of (n!)! (A000197). 2
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; text; 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: A167909 A185421 A219976 * 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, Sep 05 2001, who remarks that "I'll tell you, computing (107!)! took up some disk space!"

STATUS

approved

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Last modified October 18 10:28 EDT 2017. Contains 293507 sequences.