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A338710 as a simple table

na(n)
10
20
30
40
50
61
73
810
924
1056
11114
12224
13441
14733
151252
162091
173393
185408
198440
2012982
2119650
2229388
2343394
2463430
2591754
26131584
27187057
28263932
29369624
30514253

[0,0,0,0,0,1,3,10,24,56,114,224,441,733,1252,2091,
 3393,5408,8440,12982,19650,29388,43394,63430,
 91754,131584,187057,263932,369624,514253]