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A022997 as a simple table

na(n)
20
315
428
5135
6132
7455
8360
91071
10760
112079
121380
133575
142268
155655
163472
178415
185040
1911951
207020
2116359
229460
2321735
2412408
2528175
2615912
2735775
2820020
2944631
3024780
3154839
3230240
3366495
3436448
3579695
3643452
3794535
3851300
39111111
4060040
41129519
4269720
43149855

[0,15,28,135,132,455,360,1071,760,2079,1380,3575,
 2268,5655,3472,8415,5040,11951,7020,16359,9460,
 21735,12408,28175,15912,35775,20020,44631,24780,
 54839,30240,66495,36448,79695,43452,94535,51300,
 111111,60040,129519,69720,149855]