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A005493 a(n) = number of partitions of [n+1] with a distinguished block. For example, a(1) counts (12), (1)-2, 1-(2) where dashes separate blocks and the distinguished block is parenthesized.
(Formerly M2851)
+0
40
1, 3, 10, 37, 151, 674, 3263, 17007, 94828, 562595, 3535027, 23430840, 163254885, 1192059223, 9097183602, 72384727657, 599211936355, 5150665398898, 45891416030315, 423145657921379, 4031845922290572, 39645290116637023, 401806863439720943 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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