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A037175 as a simple table

na(n)
12
23
315
422
598
6460
75408
821170
9243568
103587402
1125881424
1225888784
1333305870
1461202192
15115333190
16135135182
17167241932
18788355824
19788360176
201653570248

[2,3,15,22,98,460,5408,21170,243568,3587402,
 25881424,25888784,33305870,61202192,115333190,
 135135182,167241932,788355824,788360176,
 1653570248]