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A277992 as a simple table

na(n)
12
23
34
45
57
68
710
811
913
1016
1117
1220
1322
1423
1525
1628
1731
1832
1935
2037
2138
2241
2343
2446
2550
2652
2753
2855
2956
3058
3165
3267
3370
3471
3576
3677
3780
3883
3985
4088
4191
4292
4397
4498
45100
46101
47107
48113
49115
50116
51118
52121
53122
54127
55130
56133
57136
58137
59140
60142
61143
62148
63155
64157

[2,3,4,5,7,8,10,11,13,16,17,20,22,23,25,28,31,32,
 35,37,38,41,43,46,50,52,53,55,56,58,65,67,70,71,
 76,77,80,83,85,88,91,92,97,98,100,101,107,113,115,
 116,118,121,122,127,130,133,136,137,140,142,143,
 148,155,157]