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A316525 as a simple table

na(n)
12
23
34
45
57
68
79
811
913
1016
1117
1219
1320
1421
1523
1625
1727
1829
1931
2032
2133
2237
2341
2443
2544
2647
2749
2853
2957
3059
3160
3261
3364
3467
3568
3669
3771
3873
3979
4081
4183
4285
4389
4493
4597
46101
47103
48105
49107
50109
51112
52113
53116
54121
55125
56127
57128
58129
59131
60133
61137
62139

[2,3,4,5,7,8,9,11,13,16,17,19,20,21,23,25,27,29,
 31,32,33,37,41,43,44,47,49,53,57,59,60,61,64,67,
 68,69,71,73,79,81,83,85,89,93,97,101,103,105,107,
 109,112,113,116,121,125,127,128,129,131,133,137,
 139]