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A140987
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Number of groups of order F(n).
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3
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1, 1, 1, 1, 1, 5, 1, 2, 2, 2, 1, 197, 1, 1, 6, 2, 1, 41, 1, 7, 4, 1, 1
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OFFSET
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1,6
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LINKS
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Table of n, a(n) for n=1..23.
GAP package GrpConst
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FORMULA
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a(n) = A000001(A000045(n)).
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EXAMPLE
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a(6) = 5 because Fibonacci number F(6) = 8 and there are 5 groups of order 8.
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CROSSREFS
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Cf. A000001, A000040, A000045, A001358, A001605, A072381.
Sequence in context: A260821 A068115 A068139 * A097562 A275889 A046771
Adjacent sequences: A140984 A140985 A140986 * A140988 A140989 A140990
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KEYWORD
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nonn,more
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AUTHOR
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Jonathan Vos Post, Jul 28 2008
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EXTENSIONS
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Entries through a(17) checked by N. J. A. Sloane, Aug 01 2008
a(18)-a(23) from Eric M. Schmidt, Jun 19 2014
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STATUS
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approved
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