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A230840 as a simple table

na(n)
10
20
30
40
52
60
70
822
922
100
110
12162
13656
14162
150
160
171202
1816496
1916496
201202
210
220
238974
24416540
251361842
26416540
278974
280
290
3066990
3110550264
32114297392
33114297392
3410550264
3566990
360
370
38500018
39267165468
409617769208
4132002769030
429617769208

[0,0,0,0,2,0,0,22,22,0,0,162,656,162,0,0,1202,
 16496,16496,1202,0,0,8974,416540,1361842,416540,
 8974,0,0,66990,10550264,114297392,114297392,
 10550264,66990,0,0,500018,267165468,9617769208,
 32002769030,9617769208]