Sum of k!, k=1..n.
0, 1, 3, 9, 33, 153, 873, 5913, 46233, 409113, 4037913, 43954713, 522956313
6 seqfan posts
Sat Jun 23 10:07:45 CEST 2012 [seqfan] Re: Interesting(?) sequence from permutations
Sat Jun 23 04:52:27 CEST 2012 [seqfan] Interesting(?) sequence from permutations
Sun Feb 21 01:26:36 CET 2010 [seqfan] Re: A007489 and strings containing all permutations
Sat Feb 20 11:59:33 CET 2010 [seqfan] Re: A007489 and strings containing all permutations
Sat Feb 20 02:16:00 CET 2010 [seqfan] A007489 and strings containing all permutations
Tue Aug 4 15:01:02 CEST 2009 [seqfan] Re: offset of A000254 wrong?
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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