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A320755 as a simple table

na(n)
01
19
246
3175
4551
51517
63775
78677
818703
938223
1074682
11140403
12255280
13450734
14775440
151303509
162146040
173467254
185506807
198610369
2013271183
2120186110
2230330668
2345058828
2466234905
2596406840
26139032605
27198774473
28281879613
29396670035
30554170514
31768909964

[1,9,46,175,551,1517,3775,8677,18703,38223,74682,
 140403,255280,450734,775440,1303509,2146040,
 3467254,5506807,8610369,13271183,20186110,
 30330668,45058828,66234905,96406840,139032605,
 198774473,281879613,396670035,554170514,768909964]