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A072666 as a simple table

na(n)
12
23
34
45
56
68
710
811
913
1014
1118
1219
1321
1425
1530
1631
1736
1841
1943
2044
2146
2247
2348
2450
2552
2653
2758
2859
2960
3062
3163
3266
3368
3470
3573
3674
3775
3878
3979
4080
4181
4283
4385
4490
4593
4699
47100
48101
49106
50112
51114
52116
53117
54120
55124
56126
57127
58129
59130
60131
61132
62137
63138
64140
65145
66147
67149

[2,3,4,5,6,8,10,11,13,14,18,19,21,25,30,31,36,41,
 43,44,46,47,48,50,52,53,58,59,60,62,63,66,68,70,
 73,74,75,78,79,80,81,83,85,90,93,99,100,101,106,
 112,114,116,117,120,124,126,127,129,130,131,132,
 137,138,140,145,147,149]