A017525 - OEIS

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A017525 as a simple table

n	a(n)
0	0
1	248832
2	7962624
3	60466176
4	254803968
5	777600000
6	1934917632
7	4182119424
8	8153726976
9	14693280768
10	24883200000
11	40074642432
12	61917364224
13	92389579776
14	133827821568
15	188956800000
16	260919263232

[0,248832,7962624,60466176,254803968,777600000, 1934917632,4182119424,8153726976,14693280768, 24883200000,40074642432,61917364224,92389579776, 133827821568,188956800000,260919263232]