OFFSET
1,2
LINKS
Andrey Zabolotskiy, Table of n, a(n) for n = 1..2047 [terms a(1)-a(1023) from Eric M. Schmidt]
MATHEMATICA
Table[Sum[FiniteGroupCount[k], {k, 1, n}], {n, 1, 57}] (* Geoffrey Critzer, Feb 06 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 14 2001
STATUS
approved