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A088791
Coefficient of x^n in A(x)^n is
A000670
(n), which gives preferential arrangements of n labeled elements.
+0
1
1, 1, 1, 2, 8, 46, 337, 2976, 30627, 359222, 4725968, 68903766, 1102712316, 19219507328, 362428546833, 7352854216056, 159705991698432, 3697928742242694, 90933523698184947, 2366758931071064064
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Maintained by
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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.
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