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A334619 as a simple table

na(n)
11
22
33
44
515
616
75
818
919
106
117
128
1323
1424
159
1610
1711
1828
1929
2012
2113
2214
2333
2434
2561
2662
2735
2836
2917
3038
3139
3268
3369
3440
3541
3620
3721
3822
3945
4046
4177
4278
4347
4448
4525
4626
4727
4852
4953
5086
5187
5254
5355
5430
5531
5632
5759
5860
5995
6096
61139
62140
6397
6498
6563
6664
6737

[1,2,3,4,15,16,5,18,19,6,7,8,23,24,9,10,11,28,29,
 12,13,14,33,34,61,62,35,36,17,38,39,68,69,40,41,
 20,21,22,45,46,77,78,47,48,25,26,27,52,53,86,87,
 54,55,30,31,32,59,60,95,96,139,140,97,98,63,64,37]