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A129374 as a simple table

na(n)
01
11
22
33
46
58
615
720
835
948
1076
11103
12166
13221
14333
15451
16671
17894
181303
191730
202479
213288
224615
236086
248502
2511142
2615299
2720034
2827285
2935514
3047937
3162168
3283259
33107650
34142929
35184090
36243207
37312041
38409210
39523709
40683261
41871239
421130703

[1,1,2,3,6,8,15,20,35,48,76,103,166,221,333,451,
 671,894,1303,1730,2479,3288,4615,6086,8502,11142,
 15299,20034,27285,35514,47937,62168,83259,107650,
 142929,184090,243207,312041,409210,523709,683261,
 871239,1130703]