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A284685 as a simple table

na(n)
12
23
35
46
59
611
712
814
917
1019
1120
1221
1323
1424
1527
1629
1730
1831
1933
2036
2138
2239
2341
2442
2545
2647
2748
2850
2953
3055
3156
3257
3359
3462
3564
3665
3767
3868
3971
4073
4174
4275
4377
4478
4581
4683
4784
4886
4989
5091
5192
5293
5395
5496
5599
56101
57102
58103
59105
60108
61110
62111
63113
64114

[2,3,5,6,9,11,12,14,17,19,20,21,23,24,27,29,30,31,
 33,36,38,39,41,42,45,47,48,50,53,55,56,57,59,62,
 64,65,67,68,71,73,74,75,77,78,81,83,84,86,89,91,
 92,93,95,96,99,101,102,103,105,108,110,111,113,
 114]