sigma((n!!)!).
1, 3, 12, 159120, 6686252969760
3 seqfan posts
Tue Feb 8 17:52:39 CET 2011 [seqfan] Re: triple factorials in Mma
Tue Feb 8 17:52:39 CET 2011 [seqfan] Re: triple factorials in Mma
Mon Feb 7 19:58:47 CET 2011 [seqfan] triple factorials in Mma
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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