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A100575 as a simple table

na(n)
00
10
21
38
444
5208
6912
73840
815808
964256
10259328
111042432
124180992
1316748544
1467047424
15268304384
161073463296
174294377472
1817178624000
1968716855296
20274872401920
211099500093440
224398022393856
2317592135712768
2470368639320064

[0,0,1,8,44,208,912,3840,15808,64256,259328,
 1042432,4180992,16748544,67047424,268304384,
 1073463296,4294377472,17178624000,68716855296,
 274872401920,1099500093440,4398022393856,
 17592135712768,70368639320064]