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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..10000

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 A324032 A196872

Adjacent sequences:  A063941 A063942 A063943 * A063945 A063946 A063947

KEYWORD

nonn,base

AUTHOR

Jason Earls, 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 May 15 17:50 EDT 2021. Contains 343920 sequences. (Running on oeis4.)