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A317622 as a simple table

na(n)
12
23
34
45
56
67
78
89
910
1012
1114
1216
1318
1420
1522
1624
1726
1827
1928
2029
2130
2231
2332
2433
2534
2635
2736
2837
2938
3039
3140
3241
3342
3443
3544
3645
3746
3847
3948
4049
4150
4252
4354
4456
4558
4660
4762
4864
4966
5068
5170
5272
5374
5476
5578
5680
5782
5883
5984
6085
6186
6287
6388
6489
6590
6691
6792
6893
6994
7095
7196

[2,3,4,5,6,7,8,9,10,12,14,16,18,20,22,24,26,27,28,
 29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,
 45,46,47,48,49,50,52,54,56,58,60,62,64,66,68,70,
 72,74,76,78,80,82,83,84,85,86,87,88,89,90,91,92,
 93,94,95,96]