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A238661 as a simple table

na(n)
10
20
30
40
50
60
71
82
95
107
1112
1218
1329
1442
1561
1685
17118
18164
19223
20299
21399
22530
23693
24888
251157
261488
271901
282403
293044
303807
314783
325935
337368
349097
3511197
3613721
3716806
3820441
3924868
4030133
4136494
4243895
4352880
4463424
4575900
4690609
47108088
48128404

[0,0,0,0,0,0,1,2,5,7,12,18,29,42,61,85,118,164,
 223,299,399,530,693,888,1157,1488,1901,2403,3044,
 3807,4783,5935,7368,9097,11197,13721,16806,20441,
 24868,30133,36494,43895,52880,63424,75900,90609,
 108088,128404]