A169101 - OEIS

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A169101 as a simple table

n	a(n)
0	1
1	40
2	1560
3	60840
4	2372760
5	92537640
6	3608967960
7	140749750440
8	5489240267160
9	214080370419240
10	8349134446350360
11	325616243407664040
12	12699033492898897560
13	495262306223057004840
14	19315229942699223188760

[1,40,1560,60840,2372760,92537640,3608967960, 140749750440,5489240267160,214080370419240, 8349134446350360,325616243407664040, 12699033492898897560,495262306223057004840, 19315229942699223188760]