A171907 a(n)= Number of 5 X 5 permutation matrices with trace n and determinant +1

24, 15, 20, 0, 0, 1

Offset

0,1

Links

Table of n, a(n) for n=0..5.

Example

a(0)=24 because we have 24 different permutation matrices 5 x 5 with trace 0 and determinant +1.

Crossrefs

A171806, A171808, A171809, A171906, A171908

Sequence in context: A334219 A118661 A132420 * A109475 A105191 A033826

Adjacent sequences: A171904 A171905 A171906 * A171908 A171909 A171910

Keyword

fini,full,nonn

Author

Artur Jasinski, Dec 31 2009

Status

approved