0,3

David W. Wilson, Table of n, a(n) for n = 0..1000

Index entries for sequences related to final digits of numbers

(PARI) for(n=0, 22, m=n!!; while(Mod(m, 10) == 0, m=m/10); print(Mod(m, 10)))

Cf. A000197, A008904.

Sequence in context: A167909 A185421 A219976 * A086447 A196872 A140219

Adjacent sequences: A063941 A063942 A063943 * A063945 A063946 A063947

nonn,base

Jason Earls (zevi_35711(AT)yahoo.com), Sep 01 2001

More terms from David W. Wilson, Sep 05 2001, who remarks that "I'll tell you, computing (107!)! took up some disk space!"

approved