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A176845 as a simple table

na(n)
11
22
33
44
55
66
78
89
910
1012
1113
1214
1316
1418
1519
1620
1722
1824
1925
2026
2128
2230
2332
2433
2534
2636
2738
2839
2940
3042
3144
3246
3348
3450
3551
3652
3754
3855
3956
4058
4160
4262
4364
4465
4566
4668
4769
4870
4972
5074
5176
5278
5380
5481
5582
5684
5785
5886
5988
6089
6190
6292
6394
6496
6597
6698
67100
68102
69103
70104
71106

[1,2,3,4,5,6,8,9,10,12,13,14,16,18,19,20,22,24,25,
 26,28,30,32,33,34,36,38,39,40,42,44,46,48,50,51,
 52,54,55,56,58,60,62,64,65,66,68,69,70,72,74,76,
 78,80,81,82,84,85,86,88,89,90,92,94,96,97,98,100,
 102,103,104,106]