A164959 - OEIS

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A164959 as a simple table

n	a(n)
0	1
1	24
2	552
3	12696
4	292008
5	6716184
6	154472232
7	3552861336
8	81715810452
9	1879463634048
10	43227663437376
11	994236255707904
12	22867433804191680
13	525950975723336064
14	12096872400856060224
15	278228064281733992448

[1,24,552,12696,292008,6716184,154472232, 3552861336,81715810452,1879463634048, 43227663437376,994236255707904,22867433804191680, 525950975723336064,12096872400856060224, 278228064281733992448]