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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, 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
CROSSREFS
Sequence in context: A129799 A357552 A093816 * A120932 A034925 A159754
KEYWORD
nonn
AUTHOR
Jon Wild, May 21, 2004
STATUS
approved