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A073055 as a simple table

na(n)
01
13
23
312
412
560
6540
71080
86480
932400
1097200
11486000
123888000
1334992000
14244944000
152204496000
166613488000
1713226976000
1839680928000
19317447424000
201269789696000
217618738176000
2215237476352000
2391424858112000
24365699432448000
251097098297344000

[1,3,3,12,12,60,540,1080,6480,32400,97200,486000,
 3888000,34992000,244944000,2204496000,6613488000,
 13226976000,39680928000,317447424000,
 1269789696000,7618738176000,15237476352000,
 91424858112000,365699432448000,1097098297344000]