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A220477 as a simple table

na(n)
10
20
32
45
514
623
746
871
9115
10174
11263
12371
13542
14756
151044
161432
171947
182605
193478
204588
216020
227863
2310182
2413114
2516820
2621480
2727254
2834489
2943423
3054491
3168103
3284864
33105318
34130408
35160828
36197923
37242774
38297141
39362531
40441456
41536062
42649695

[0,0,2,5,14,23,46,71,115,174,263,371,542,756,1044,
 1432,1947,2605,3478,4588,6020,7863,10182,13114,
 16820,21480,27254,34489,43423,54491,68103,84864,
 105318,130408,160828,197923,242774,297141,362531,
 441456,536062,649695]