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A274099 as a simple table

na(n)
11
21
33
49
523
654
7120
8249
9478
10864
111495
122484
133969
146136
159234
1613561
1719464
1827378
1937845
2051488
2169012
2291260
23119239
24154078
25197026
26249535
27313290
28390144
29482120
30591519
31720954
32873264
331051513
341259130
351499950
361778097
372097984
382464489

[1,1,3,9,23,54,120,249,478,864,1495,2484,3969,
 6136,9234,13561,19464,27378,37845,51488,69012,
 91260,119239,154078,197026,249535,313290,390144,
 482120,591519,720954,873264,1051513,1259130,
 1499950,1778097,2097984,2464489]