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A135674 as a simple table

na(n)
12
23
35
46
57
69
710
812
913
1014
1115
1217
1318
1419
1521
1622
1723
1824
1926
2027
2128
2229
2331
2432
2533
2634
2736
2837
2938
3039
3140
3242
3343
3444
3545
3646
3748
3849
3950
4051
4152
4254
4355
4456
4557
4658
4760
4861
4962
5063
5164
5265
5367
5468
5569
5670
5771
5872
5974

[2,3,5,6,7,9,10,12,13,14,15,17,18,19,21,22,23,24,
 26,27,28,29,31,32,33,34,36,37,38,39,40,42,43,44,
 45,46,48,49,50,51,52,54,55,56,57,58,60,61,62,63,
 64,65,67,68,69,70,71,72,74]