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A005380
Number of partitions of n objects of 2 colors.
(Formerly M1601)
+0
21
1, 2, 6, 14, 33, 70, 149, 298, 591, 1132, 2139, 3948, 7199, 12894, 22836, 39894, 68982, 117948, 199852, 335426, 558429, 922112, 1511610, 2460208, 3977963, 6390942, 10206862, 16207444, 25596941, 40214896, 62868772, 97814358
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Maintained by
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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.
AT&T Labs Research
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