A093469 Number of 6 X 6 binary matrices with n ones, distinct up to cyclic shifts of rows and/or columns; reflection through any vertical or horizontal axis; and reflection through the main diagonal. Also number of quasi-n-ominoes on a torus divided into a 6 X 6 grid.

1, 1, 9, 40, 282, 1455, 7278, 29849, 107399, 330369, 890152, 2096153, 4364470, 8045195, 13215574, 19368689, 25423509, 29898089, 31566122, 29898089, 25423509, 19368689, 13215574, 8045195, 4364470, 2096153, 890152, 330369, 107399, 29849

Offset

0,3

Links

Table of n, a(n) for n=0..29.

Crossrefs

Sequence in context: A129799 A357552 A093816 * A120932 A034925 A159754

Adjacent sequences: A093466 A093467 A093468 * A093470 A093471 A093472

Keyword

nonn

Author

Jon Wild, May 21, 2004

Status

approved