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A053772
Number of n X n binary matrices of order dividing 7 (i.e., number of solutions of X^7=I in GL(n,2)).
3
1, 1, 49, 5761, 476161, 457113601, 3439085027329, 18696142934507521, 144017748317668638721, 30063679011292374997401601, 10371304522603231166854078660609, 3639433320096084212920229480292679681, 18767347744724322162378748108305552459694081
OFFSET
1,3
REFERENCES
V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished.
LINKS
Kent E. Morrison, Integer Sequences and Matrices Over Finite Fields, Journal of Integer Sequences, Vol. 9 (2006), Article 06.2.1.
PROG
(PARI) \\ See A053725 for F(n, q, k).
F(15, 2, 7) \\ Andrew Howroyd, Jul 09 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladeta Jovovic, Mar 24 2000
EXTENSIONS
a(12)-a(13) from Andrew Howroyd, Jul 09 2018
STATUS
approved