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A236105 as a simple table

na(n)
12
23
34
45
56
67
79
810
911
1013
1114
1215
1317
1419
1521
1622
1723
1825
1929
2031
2133
2235
2337
2441
2543
2647
2749
2853
2955
3059
3161
3267
3371
3473
3577
3679
3783
3889
3997
40101
41103
42107
43109
44113
45121
46127
47131
48137
49139
50149
51151
52157
53163
54167
55173
56179
57181
58191
59193
60197
61199
62202

[2,3,4,5,6,7,9,10,11,13,14,15,17,19,21,22,23,25,
 29,31,33,35,37,41,43,47,49,53,55,59,61,67,71,73,
 77,79,83,89,97,101,103,107,109,113,121,127,131,
 137,139,149,151,157,163,167,173,179,181,191,193,
 197,199,202]