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A255560 as a simple table

na(n)
11
22
31
42
53
64
71
82
95
103
114
126
137
148
151
162
179
185
193
2010
2111
224
236
2412
257
268
2713
2814
2915
3016
311
322
3317
349
355
3618
3719
383
3910
4020
4111
424
4321
4422
4523
466
4712
4824
497
508
5125
5226
5313
5414
5527
5615
5716
5828
5929
6030
6131
6232
631
642
6533
6617
679
6834
6935
705
7118
7236
7319
743
7537
7638
7739
7810
7920
8040
8111
824
8341
8442
8521
8622
8743
8823
896

[1,2,1,2,3,4,1,2,5,3,4,6,7,8,1,2,9,5,3,10,11,4,6,
 12,7,8,13,14,15,16,1,2,17,9,5,18,19,3,10,20,11,4,
 21,22,23,6,12,24,7,8,25,26,13,14,27,15,16,28,29,
 30,31,32,1,2,33,17,9,34,35,5,18,36,19,3,37,38,39,
 10,20,40,11,4,41,42,21,22,43,23,6]