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A115305 as a simple table

na(n)
11
22
33
44
59
68
77
86
95
1014
1113
1212
1311
1410
1519
1618
1717
1816
1915
2024
2123
2222
2321
2420
2549
2648
2747
2846
2945
3044
3143
3242
3341
3440
3539
3638
3737
3836
3935
4034
4133
4232
4331
4430
4529
4628
4727
4826
4925
5074
5173
5272
5371
5470
5569
5668
5767
5866
5965
6064
6163
6262
6361
6460
6559
6658
6757
6856
6955
7054
7153
7252

[1,2,3,4,9,8,7,6,5,14,13,12,11,10,19,18,17,16,15,
 24,23,22,21,20,49,48,47,46,45,44,43,42,41,40,39,
 38,37,36,35,34,33,32,31,30,29,28,27,26,25,74,73,
 72,71,70,69,68,67,66,65,64,63,62,61,60,59,58,57,
 56,55,54,53,52]