A283520 - OEIS

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A283520 as a simple table

n	a(n)
1	0
2	145
3	26662
4	2032993
5	136572268
6	8593156813
7	510843580504
8	29325852758117
9	1640229831666201
10	89905007399752628
11	4849467980640486825
12	258162615558548188175
13	13593142734850883923120
14	709070366893625272065463

[0,145,26662,2032993,136572268,8593156813, 510843580504,29325852758117,1640229831666201, 89905007399752628,4849467980640486825, 258162615558548188175,13593142734850883923120, 709070366893625272065463]