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A123901 as a simple table

na(n)
03
14
25
33
47
54
69
71
811
96
1013
117
123
138
1417
159
1619
172
1821
1911
2023
2112
225
231
2427
2514
2629
273
2831
2916
3033
3117
327
3318
3437
3519
363
374
3841
3921
4043
4122
429
4323
4447
4524
4649
475
4851
492
5053
5127
5211
5328
5457
5529
5659
576
5861
5931
6063
6132
621
6333
6467
6534
6669
677
6871
6936
7073
711
7215
7338
7477
753
7679
778
7881

[3,4,5,3,7,4,9,1,11,6,13,7,3,8,17,9,19,2,21,11,23,
 12,5,1,27,14,29,3,31,16,33,17,7,18,37,19,3,4,41,
 21,43,22,9,23,47,24,49,5,51,2,53,27,11,28,57,29,
 59,6,61,31,63,32,1,33,67,34,69,7,71,36,73,1,15,38,
 77,3,79,8,81]