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A274619 as a simple table

na(n)
05
10
21
34
43
56
62
78
89
910
1011
117
1213
1312
1415
1516
1617
1718
1814
1920
2019
2122
2221
2324
2425
2526
2627
2723
2829
2928
3031
3132
3233
3334
3430
3536
3635
3738
3837
3940
4041
4142
4243
4339
4445
4544
4647
4748
4849
4950
5046
5152
5251
5354
5453
5556
5657
5758
5859
5955
6061
6160
6263
6364
6465
6566
6662
6768
6867
6970
7069
7172
7273
7374
7475
7571
7677
7776
7879

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