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A002377 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1414
1515
161
172
183
194
205
216
227
238
249
2510
2611
2712
2813
2914
3015
3116
322
333
344
355
366
377
388
399
4010
4111
4212
4313
4414
4515
4616
4717
483
494
505
516
527
538
549
5510
5611
5712
5813
5914
6015
6116
6217
6318
644
655
666
677
688
699
7010
7111
7212
7313
7414
7515
7616
7717
7818
7919
805
811
822
833

[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,1,2,3,4,5,6,
 7,8,9,10,11,12,13,14,15,16,2,3,4,5,6,7,8,9,10,11,
 12,13,14,15,16,17,3,4,5,6,7,8,9,10,11,12,13,14,15,
 16,17,18,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,
 19,5,1,2,3]