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A161577 as a simple table

na(n)
12
23
34
46
57
68
79
810
912
1014
1115
1218
1319
1420
1521
1624
1725
1828
1929
2030
2132
2233
2334
2436
2538
2639
2740
2842
2943
3048
3149
3250
3351
3452
3554
3660
3761
3862
3963
4066
4167
4270
4371
4472
4575
4676
4777
4880
4981
5084
5185
5288
5389
5490
5591
5696
5798
5899
59100
60108
61109
62110
63112
64114
65115
66120
67121
68124
69125

[2,3,4,6,7,8,9,10,12,14,15,18,19,20,21,24,25,28,
 29,30,32,33,34,36,38,39,40,42,43,48,49,50,51,52,
 54,60,61,62,63,66,67,70,71,72,75,76,77,80,81,84,
 85,88,89,90,91,96,98,99,100,108,109,110,112,114,
 115,120,121,124,125]