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A261781 as a simple table

na(n)
01
10
21
30
42
53
60
74
816
913
100
118
1266
13132
1475
150
1616
17248
18924
191232
20541
210
2232
23892
245546
2513064
2613060
274683
280
2964
303136
3130720
32114032
33195020
34155928
3547293
360
37128
3810888
39162396
40893490
412327960
423116220
432075948
44545835

[1,0,1,0,2,3,0,4,16,13,0,8,66,132,75,0,16,248,924,
 1232,541,0,32,892,5546,13064,13060,4683,0,64,3136,
 30720,114032,195020,155928,47293,0,128,10888,
 162396,893490,2327960,3116220,2075948,545835]