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A107511 as a simple table

na(n)
01
1480
243072
31535392
430171264
5386224480
63568285888
725502776608
8148192248064
9726504898784
103090942003520
1111666428964000
1239751306125696
13123999066493024
14358175327721920
15967087327771680
162459947867603456
175933762681602016
1813648859698457152

[1,480,43072,1535392,30171264,386224480,
 3568285888,25502776608,148192248064,726504898784,
 3090942003520,11666428964000,39751306125696,
 123999066493024,358175327721920,967087327771680,
 2459947867603456,5933762681602016,
 13648859698457152]