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A242754 as a simple table

na(n)
12
23
34
46
57
610
711
813
917
1018
1121
1231
1337
1440
1541
1646
1748
1849
1952
2053
2158
2260
2364
2466
2570
2671
2772
2873
2975
3081
3185
3292
3393
3496
35100
36102
37109
38117
39119
40127
41136
42137
43140
44143
45145
46146
47149
48160
49162
50179
51189
52194
53200
54206
55215
56232
57233
58243
59246
60247

[2,3,4,6,7,10,11,13,17,18,21,31,37,40,41,46,48,49,
 52,53,58,60,64,66,70,71,72,73,75,81,85,92,93,96,
 100,102,109,117,119,127,136,137,140,143,145,146,
 149,160,162,179,189,194,200,206,215,232,233,243,
 246,247]