References to A089456

Number of n-celled polyominoes with exactly 4 holes.
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 179, 2509, 25609, 214932, 1578984


1 seqfan posts

Sat May 2 16:12:32 CEST 2009    [seqfan] Re: OEIS duplicate hunt

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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