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A116528 as a simple table

na(n)
00
11
21
33
41
55
63
77
81
97
105
1113
123
1313
147
1515
161
179
187
1919
205
2123
2213
2329
243
2519
2613
2733
287
2929
3015
3131
321
3311
349
3525
367
3733
3819
3943
405
4133
4223
4359
4413
4555
4629
4761
483
4925
5019
5151
5213
5359
5433
5573
567
5743
5829
5973
6015
6161
6231
6363
641
6513

[0,1,1,3,1,5,3,7,1,7,5,13,3,13,7,15,1,9,7,19,5,23,
 13,29,3,19,13,33,7,29,15,31,1,11,9,25,7,33,19,43,
 5,33,23,59,13,55,29,61,3,25,19,51,13,59,33,73,7,
 43,29,73,15,61,31,63,1,13]