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A152757 as a simple table

na(n)
12
23
34
45
56
67
79
810
911
1013
1114
1216
1317
1418
1519
1620
1721
1822
1923
2026
2127
2228
2329
2431
2534
2637
2738
2841
2943
3045
3146
3247
3349
3452
3553
3655
3757
3858
3959
4061
4162
4264
4367
4470
4571
4673
4774
4875
4976
5077
5179
5282
5383
5486
5588
5689
5791
5893
5994
6095
6197
6299
63101
64103
65104
66106
67107
68109
69110
70111

[2,3,4,5,6,7,9,10,11,13,14,16,17,18,19,20,21,22,
 23,26,27,28,29,31,34,37,38,41,43,45,46,47,49,52,
 53,55,57,58,59,61,62,64,67,70,71,73,74,75,76,77,
 79,82,83,86,88,89,91,93,94,95,97,99,101,103,104,
 106,107,109,110,111]