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A191583 as a simple table

na(n)
15
22
35
45
55
610
75
812
915
1010
1119
1218
1312
1410
157
169
1710
182
1928
205
2121
225
2345
2436
2516
2622
2717
285
2942
3010
3148
3269
3328
345
3510
3620
377
3821
3924
4013
4110
4236
435
4423
4516
4648
4740
4810
4924
5023
5161
5210
5346
54129
5520
5628
5710
58139
5936
6052
615
6210
63108
6418
6517
665
67169
6824

[5,2,5,5,5,10,5,12,15,10,19,18,12,10,7,9,10,2,28,
 5,21,5,45,36,16,22,17,5,42,10,48,69,28,5,10,20,7,
 21,24,13,10,36,5,23,16,48,40,10,24,23,61,10,46,
 129,20,28,10,139,36,52,5,10,108,18,17,5,169,24]