Subfactorial or rencontres numbers, or derangements: number of permutations of n elements with no fixed points.
1, 0, 1, 2, 9, 44, 265, 1854, 14833, 133496, 1334961, 14684570, 176214841
4 seqfan posts
Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java
Sun Apr 4 06:43:01 CEST 2010 [seqfan] Re:Riordan's classical formula and Juric's calculations
Sun Apr 4 06:33:09 CEST 2010 [seqfan] Riordan's classical formula and Juric's calculations
Fri Apr 2 09:53:53 CEST 2010 [seqfan] Riordan's classical formula and Juric's calculations
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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