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A316660 as a simple table

na(n)
10
21
32
42
52
65
74
87
910
1014
1118
1231
1340
1463
1594
16142
17210
18329
19492
20765
211170
221810
232786
244341
256712
2610461
2716274
2825414
2939650
3062075
3197108
32152287
33238838
34375166
35589526
36927555
371459960
382300347
393626242
405721044
419030450
4214264309
4322542396
4435646311
4556393862

[0,1,2,2,2,5,4,7,10,14,18,31,40,63,94,142,210,329,
 492,765,1170,1810,2786,4341,6712,10461,16274,
 25414,39650,62075,97108,152287,238838,375166,
 589526,927555,1459960,2300347,3626242,5721044,
 9030450,14264309,22542396,35646311,56393862]