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A058396 as a simple table

na(n)
01
13
29
325
466
5168
6416
71008
82400
95632
1013056
1129952
1268096
13153600
14344064
15765952
161695744
173735552
188192000
1917891328
2038928384
2184410368
22182452224
23393216000
24845152256
251811939328
263875536896
278271167488
2817616076800

[1,3,9,25,66,168,416,1008,2400,5632,13056,29952,
 68096,153600,344064,765952,1695744,3735552,
 8192000,17891328,38928384,84410368,182452224,
 393216000,845152256,1811939328,3875536896,
 8271167488,17616076800]