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A017525 as a simple table

na(n)
00
1248832
27962624
360466176
4254803968
5777600000
61934917632
74182119424
88153726976
914693280768
1024883200000
1140074642432
1261917364224
1392389579776
14133827821568
15188956800000
16260919263232

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