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A006789
Bessel numbers: the number of nonoverlapping partitions of an n-set into equivalence classes.
(Formerly M1462)
+0
9
1, 1, 2, 5, 14, 43, 143, 509, 1922, 7651, 31965, 139685, 636712, 3020203, 14878176, 75982829, 401654560, 2194564531, 12377765239, 71980880885, 431114329728, 2656559925883, 16825918195484, 109439943234749, 730365368850192
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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