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A098887 Number of nonisomorphic groups with orders indexed by least prime signatures. 0
1, 1, 2, 2, 5, 5, 14, 15, 4, 51, 14, 52, 13, 267, 50, 231, 47, 2328, 197, 37, 1543, 12, 177, 208, 56092, 1045, 162, 20169, 41, 775, 1213, 10494213, 8681, 840, 1090235, 186, 4725, 150, 11394, 49487367289, 583, 157877, 131, 3609, 5958, 408641062, 1005 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
H. U. Besche, B. Eick and E. A. O'Brien, Number of isomorphism types of finite groups of given order
David Burrell, On the number of groups of order 1024, Communications in Algebra, 2021, 1-3.
FORMULA
a(n)=A000001(A025487(n)).
CROSSREFS
Sequence in context: A208355 A099363 A106181 * A259097 A245845 A097438
KEYWORD
nonn
AUTHOR
Lekraj Beedassy, Oct 14 2004
EXTENSIONS
a(40) corrected by David Burrell, Jun 07 2022
STATUS
approved

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Last modified March 29 05:41 EDT 2024. Contains 371264 sequences. (Running on oeis4.)