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A073960 Number of commuting elements: number of ordered pairs g, h in the group GL(n,2) such that gh = hg. 1
1, 18, 1008, 282240, 269982720, 1209522585600, 19170449172725760, 1315623687226078003200, 342810031916266844848128000, 367173017574548024679647831654400, 1534674653372294809728193910618770636800, 26108462572660693961035262279317764270194688000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Eric M. Schmidt, Table of n, a(n) for n = 1..30

FORMULA

a(n) = A002884(n) * A006951(n).

CROSSREFS

Cf. A002884, A006951.

Sequence in context: A123786 A129009 A042409 * A095786 A214181 A275653

Adjacent sequences:  A073957 A073958 A073959 * A073961 A073962 A073963

KEYWORD

nonn

AUTHOR

Yuval Dekel (dekelyuval(AT)hotmail.com), Sep 13 2003

EXTENSIONS

More terms from Eric M. Schmidt, May 05 2013

STATUS

approved

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Last modified February 18 09:15 EST 2020. Contains 332011 sequences. (Running on oeis4.)