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A175415 as a simple table

na(n)
11
22
33
45
57
69
710
811
912
1013
1115
1221
1331
1434
1535
1636
1737
1838
1939
2040
2141
2242
2343
2444
2545
2646
2749
2850
2951
3052
3153
3254
3355
3456
3557
3658
3759
3863
3985
40127
41132
42133
43134
44144
45146
46147
47148
48149
49150
50153
51154
52155
53158
54161
55164
56165
57166
58169
59170
60171
61172

[1,2,3,5,7,9,10,11,12,13,15,21,31,34,35,36,37,38,
 39,40,41,42,43,44,45,46,49,50,51,52,53,54,55,56,
 57,58,59,63,85,127,132,133,134,144,146,147,148,
 149,150,153,154,155,158,161,164,165,166,169,170,
 171,172]