A172536 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A172536 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	362880
10	1371785398200
11	7673688777463632000
12	65599839591251908982712750
13	885282776210120715086715619724160
14	19040419266278799766631032461849139013040

[0,0,0,0,0,0,0,1,362880,1371785398200, 7673688777463632000,65599839591251908982712750, 885282776210120715086715619724160, 19040419266278799766631032461849139013040]