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A266285 as a simple table

na(n)
01
11
22
34
43
57
64
710
85
913
106
1116
127
1319
148
1522
169
1725
1810
1928
2011
2131
2212
2334
2413
2537
2614
2740
2815
2943
3016
3146
3217
3349
3418
3552
3619
3755
3820
3958
4021
4161
4222
4364
4423
4567
4624
4770
4825
4973
5026
5176
5227
5379
5428
5582
5629
5785
5830
5988
6031
6191
6232
6394
6433
6597
6634

[1,1,2,4,3,7,4,10,5,13,6,16,7,19,8,22,9,25,10,28,
 11,31,12,34,13,37,14,40,15,43,16,46,17,49,18,52,
 19,55,20,58,21,61,22,64,23,67,24,70,25,73,26,76,
 27,79,28,82,29,85,30,88,31,91,32,94,33,97,34]