References to A001933

Chessboard polyominoes with n squares.
2, 1, 4, 7, 24, 62, 216, 710, 2570, 9215, 34146, 126853, 477182, 1802673, 6853152

1 seqfan posts

Sun Nov 28 02:51:12 CET 2010    [seqfan] Chessboard polyominoes
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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