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A022815 as a simple table

na(n)
11
27
323
455
5110
6196
7322
8498
9735
101045
111441
121937
132548
143290
154180
165236
176477
187923
199595
2011515
2113706
2216192
2318998
2422150
2525675
2629601
2733957
2838773
2944080
3049910
3156296
3263272
3370873
3479135
3588095
3697791
37108262
38119548
39131690

[1,7,23,55,110,196,322,498,735,1045,1441,1937,
 2548,3290,4180,5236,6477,7923,9595,11515,13706,
 16192,18998,22150,25675,29601,33957,38773,44080,
 49910,56296,63272,70873,79135,88095,97791,108262,
 119548,131690]