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A249900 as a simple table

na(n)
01
12
23
34
46
52
68
79
83
94
105
117
126
132
148
1511
1613
179
183
194
205
2110
2212
237
246
252
268
2711
2814
2915
3013
319
323
334
345
3510
3617
3719
3812
397
406
412
428
4311
4414
4523
4629
4715
4813
499
503
514
525
5310
5417
5516
5618
5719
5812
597
606
612
628
6311
6414
6523
6620
6721
6829
6915
7013
719
723
734
745

[1,2,3,4,6,2,8,9,3,4,5,7,6,2,8,11,13,9,3,4,5,10,
 12,7,6,2,8,11,14,15,13,9,3,4,5,10,17,19,12,7,6,2,
 8,11,14,23,29,15,13,9,3,4,5,10,17,16,18,19,12,7,6,
 2,8,11,14,23,20,21,29,15,13,9,3,4,5]