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A300040 as a simple table

na(n)
10
21
31
41
54
61
72
817
917
102
113
1261
13113
1461
153
165
17216
18628
19628
20216
215
228
23793
243669
255663
263669
27793
288
2913
302907
3121792
3251862
3351862
3421792
352907
3613
3721
3810622
39128610
40486305
41766231
42486305
43128610
4410622
4521
4634
4738809
48758715
494532025
5011576060

[0,1,1,1,4,1,2,17,17,2,3,61,113,61,3,5,216,628,
 628,216,5,8,793,3669,5663,3669,793,8,13,2907,
 21792,51862,51862,21792,2907,13,21,10622,128610,
 486305,766231,486305,128610,10622,21,34,38809,
 758715,4532025,11576060]