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A252786 Number of exponent-5 class 2 groups of order 5^n. 3
0, 0, 1, 3, 7, 26, 117, 6851, 85249444, 39565495603665, 40261075301026166295207 (list; graph; refs; listen; history; text; internal format)
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
Sequence in context: A069738 A057005 A158561 * A108217 A120120 A126472
KEYWORD
nonn,hard,more
AUTHOR
Eric M. Schmidt, Dec 21 2014
STATUS
approved

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Last modified July 12 20:35 EDT 2024. Contains 374252 sequences. (Running on oeis4.)