login
A252786
Number of exponent-5 class 2 groups of order 5^n.
3
0, 0, 1, 3, 7, 26, 117, 6851, 85249444, 39565495603665, 40261075301026166295207
OFFSET
0,4
LINKS
J. H. Conway, Heiko Dietrich and E. A. O'Brien, Counting groups: gnus, moas and other exotica.
Bettina Eick and E. A. O'Brien, Enumerating p-groups. Group theory. J. Austral. Math. Soc. Ser. A 67 (1999), no. 2, 191-205.
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Eric M. Schmidt, Dec 21 2014
STATUS
approved