A264539 - OEIS

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A264539 as a simple table

n	a(n)
1	0
2	100
3	696
4	8180
5	119810
6	1293264
7	15187422
8	179414540
9	2052910368
10	23919502368
11	277388965381
12	3208620078246
13	37242102968460
14	431510537455275
15	5000791870294019
16	57981675317696894
17	671993281653567377

[0,100,696,8180,119810,1293264,15187422,179414540, 2052910368,23919502368,277388965381,3208620078246, 37242102968460,431510537455275,5000791870294019, 57981675317696894,671993281653567377]