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A299957 as a simple table

na(n)
00
11
29
32
48
53
67
74
86
95
1010
1111
1220
1321
1430
1531
1640
1741
1850
1951
2049
2112
2219
2322
2429
2532
2639
2742
2858
2913
3018
3123
3228
3333
3438
3543
3648
3752
3853
3947
4014
4117
4224
4327
4434
4537
4644
4756
4815
4916
5025
5126
5235
5336
5445
5546
5654
5755
5857
5959
6060
6161
6262
6363
6464
6565
6666
6767
6868
6969
7070
7171
7272
7373
7474
7575
7676
7777
7878
7979
8080

[0,1,9,2,8,3,7,4,6,5,10,11,20,21,30,31,40,41,50,
 51,49,12,19,22,29,32,39,42,58,13,18,23,28,33,38,
 43,48,52,53,47,14,17,24,27,34,37,44,56,15,16,25,
 26,35,36,45,46,54,55,57,59,60,61,62,63,64,65,66,
 67,68,69,70,71,72,73,74,75,76,77,78,79,80]