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A000291 Number of bipartite partitions of n white objects and 2 black ones.
(Formerly M1168 N0447)
+0
5
2, 4, 9, 16, 29, 47, 77, 118, 181, 267, 392, 560, 797, 1111, 1541, 2106, 2863, 3846, 5142, 6808, 8973, 11733, 15275, 19753, 25443, 32582, 41569, 52770, 66757, 84078, 105555, 131995, 164566, 204450, 253292, 312799, 385285, 473183, 579722, 708353 (list; graph; listen)
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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.


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