A053071 Number of n X n invertible binary matrices A such that A^5+I is invertible.

0, 2, 48, 4480, 2887680, 5373624320, 44196975083520, 1442855588252876800, 188570467779447305011200, 98800579402758985681259724800, 207089099087390763078860569942425600

Offset

1,2

References

V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished.

Links

Table of n, a(n) for n=1..11.

Crossrefs

Cf. A002820, A051680, A053060.

Sequence in context: A346019 A087085 A067626 * A238838 A002820 A196448

Adjacent sequences: A053068 A053069 A053070 * A053072 A053073 A053074

Keyword

nonn

Author

Vladeta Jovovic, Mar 18 2000

Status

approved