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A242742 as a simple table

na(n)
15
27
39
48
511
613
715
84
917
1019
1121
128
1323
1425
157
1627
1726
189
1931
2033
2110
2235
236
2437
2539
2614
2741
2843
2945
308
3147
3249
3318
3451
3516
369
3755
3821
3957
4020
4159
4261
4363
448
4565
468
4725
4869
4922
5011
5173
5275
5326
5445
5534
5679
5781
5880
5983
6085
614
6287
6328
6489
6591
663
6793
6832
6995

[5,7,9,8,11,13,15,4,17,19,21,8,23,25,7,27,26,9,31,
 33,10,35,6,37,39,14,41,43,45,8,47,49,18,51,16,9,
 55,21,57,20,59,61,63,8,65,8,25,69,22,11,73,75,26,
 45,34,79,81,80,83,85,4,87,28,89,91,3,93,32,95]