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A112768 as a simple table

na(n)
13
24
35
46
58
68
711
89
910
1017
1112
1214
1323
1415
1514
1615
1732
1817
1921
2038
2119
2224
2320
2420
2529
2653
2730
2856
2932
3023
3136
3228
3371
3424
3577
3632
3733
3845
3934
4035
4192
4229
4398
4453
45101
4623
4724
4860
49116
5062
5145
52122
5335
5448
5549
5650
57137
5852
5974
60143
6135
6235
6381
64158
6583
6630
6762
6840
69176

[3,4,5,6,8,8,11,9,10,17,12,14,23,15,14,15,32,17,
 21,38,19,24,20,20,29,53,30,56,32,23,36,28,71,24,
 77,32,33,45,34,35,92,29,98,53,101,23,24,60,116,62,
 45,122,35,48,49,50,137,52,74,143,35,35,81,158,83,
 30,62,40,176]