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A236409 as a simple table

na(n)
23
310
445
5270
61737
713280
8121500
91231200
1012994020
11151817274
122041564500
1329351808000
14448218360000
157027147872000
16118449530725500
172207253791691000
1843402342378752000
19889018706142000000
2019030271359352400000

[3,10,45,270,1737,13280,121500,1231200,12994020,
 151817274,2041564500,29351808000,448218360000,
 7027147872000,118449530725500,2207253791691000,
 43402342378752000,889018706142000000,
 19030271359352400000]