A268908 - OEIS

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A268908 as a simple table

n	a(n)
1	0
2	6912
3	98496
4	1347192
5	17194680
6	214142760
7	2611960344
8	31382176824
9	372469407912
10	4376985056856
11	51011490408120
12	590386685589432
13	6792451934064264
14	77748739088317848
15	885979967930009496

[0,6912,98496,1347192,17194680,214142760, 2611960344,31382176824,372469407912,4376985056856, 51011490408120,590386685589432,6792451934064264, 77748739088317848,885979967930009496]