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A120307 as a simple table

na(n)
11
23
360
410500
518522000
6359400888000
781408613942656000
8224737840779305293440000
97812628980363223707442752000000
103508978524227146242839564498172672000000

[1,3,60,10500,18522000,359400888000,
 81408613942656000,224737840779305293440000,
 7812628980363223707442752000000,
 3508978524227146242839564498172672000000]