References to A057410

Number of staircase polygons of perimeter 2n with one (staircase polygon) hole on square lattice (not allowing rotations).
1, 12, 94, 604, 3463, 18440, 93274, 454412, 2151673, 9964500, 45335002

1 seqfan posts

Sat Feb 14 17:48:59 CET 2009    [seqfan] Re: Staircase Polygons (with a Rotated Staircase hole) by perimeter

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