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A293523 as a simple table

na(n)
11
22
33
45
56
67
710
811
915
1017
1119
1221
1322
1423
1530
1631
1733
1834
1935
2046
2147
2251
2353
2457
2558
2659
2765
2866
2967
3069
3170
3271
3391
3493
3594
3695
37101
38102
39103
40105
41106
42107
43138
44139
45141
46142
47143
48154
49155
50159
51161
52173
53174
54177
55178
56179
57195
58197
59199
60201
61202
62203
63209
64210
65211
66213
67214
68215
69273
70274
71281
72282

[1,2,3,5,6,7,10,11,15,17,19,21,22,23,30,31,33,34,
 35,46,47,51,53,57,58,59,65,66,67,69,70,71,91,93,
 94,95,101,102,103,105,106,107,138,139,141,142,143,
 154,155,159,161,173,174,177,178,179,195,197,199,
 201,202,203,209,210,211,213,214,215,273,274,281,
 282]