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A103715 as a simple table

na(n)
10
20
31
43
518
622
7119
8285
91516
101844
119797
1223407
13124334
14151226
15803275
161919129
1710193912
1812398728
1965858793
20157345211
21835776490
221016544510
235399617791
2412900388213
2568523478308
2683344251132
27442702800109

[0,0,1,3,18,22,119,285,1516,1844,9797,23407,
 124334,151226,803275,1919129,10193912,12398728,
 65858793,157345211,835776490,1016544510,
 5399617791,12900388213,68523478308,83344251132,
 442702800109]