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A157523 as a simple table

na(n)
01
11
21
31
45
51
61
715
815
91
101
1137
1295
1337
141
151
1682
17463
18463
1982
201
211
22173
231910
243799
251910
26173
271
281
29356
307096
3125672
3225672
337096
34356
351
361
37723
3824645
39150994
40260519
41150994
4224645
43723
441
451
461458
4781499
48804875
492259903
502259903
51804875
5281499
531458
541

[1,1,1,1,5,1,1,15,15,1,1,37,95,37,1,1,82,463,463,
 82,1,1,173,1910,3799,1910,173,1,1,356,7096,25672,
 25672,7096,356,1,1,723,24645,150994,260519,150994,
 24645,723,1,1,1458,81499,804875,2259903,2259903,
 804875,81499,1458,1]