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A122747 Bishops on an n X n board (see Robinson paper for details). +0
2
1, 4, 144, 14400, 2822400, 914457600, 442597478400, 299195895398400, 269276305858560000, 311283409572495360000, 449493243422683299840000, 792906081397613340917760000, 1677789268237349829381980160000, 4194473170593374573454950400000000, 12231083765450280256194635366400000000 (list; graph; listen)
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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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