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A074088 as a simple table

na(n)
00
10
20
30
421
5120
6585
72508
810122
939042
10145974
11532704
121907451
136725004
1423407287
1580591148
16274899288
17930128646
183124838844
1910432356000
2034634029713
21114403303008
22376184538165
231231890463020
244018920819606

[0,0,0,0,21,120,585,2508,10122,39042,145974,
 532704,1907451,6725004,23407287,80591148,
 274899288,930128646,3124838844,10432356000,
 34634029713,114403303008,376184538165,
 1231890463020,4018920819606]