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A356734 as a simple table

na(n)
12
23
34
45
57
68
79
810
911
1013
1114
1216
1317
1419
1520
1621
1722
1823
1925
2026
2127
2228
2329
2431
2532
2633
2734
2837
2938
3039
3140
3241
3342
3443
3544
3646
3747
3849
3950
4051
4152
4253
4355
4456
4557
4658
4759
4861
4962
5063
5164
5265
5366
5467
5568
5669
5770
5871
5973
6074
6176
6278
6379
6480
6581
6682
6783

[2,3,4,5,7,8,9,10,11,13,14,16,17,19,20,21,22,23,
 25,26,27,28,29,31,32,33,34,37,38,39,40,41,42,43,
 44,46,47,49,50,51,52,53,55,56,57,58,59,61,62,63,
 64,65,66,67,68,69,70,71,73,74,76,78,79,80,81,82,
 83]