A053718 Number of n X n binary matrices of order dividing 4 (also number of solutions to X^4=I in GL(n,2)).

1, 4, 64, 4096, 423616, 128802304, 131119611904, 431739985985536, 2759629471089688576, 52225410257290195369984, 3239317987292851928169447424, 621439868364968017851608618500096

Offset: 1

Author

Vladeta Jovovic, Mar 23 2000

Keywords

• nonn

References

• V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished.

Links

• Sean A. Irvine, Java program (github)
• Kent E. Morrison, Integer Sequences and Matrices Over Finite Fields, Journal of Integer Sequences, Vol. 9 (2006), Article 06.2.1.