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A175661 as a simple table

na(n)
01
15
210
323
449
5104
6217
7449
8922
91883
103829
117760
1215685
1331637
1463706
15128111
16257353
17516536
181036033
192076857
204161466
218335475
2216691245
2333415328
2466883789
25133853549
26267846202
27535917479
281072199137
292144987528

[1,5,10,23,49,104,217,449,922,1883,3829,7760,
 15685,31637,63706,128111,257353,516536,1036033,
 2076857,4161466,8335475,16691245,33415328,
 66883789,133853549,267846202,535917479,1072199137,
 2144987528]