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A271833 as a simple table

na(n)
01
13
25
37
42
54
66
78
89
911
1013
1115
1210
1312
1414
1516
1617
1719
1821
1923
2018
2120
2222
2324
2425
2527
2629
2731
2826
2928
3030
3132
3233
3335
3437
3539
3634
3736
3838
3940
4041
4143
4245
4347
4442
4544
4646
4748
4849
4951
5053
5155
5250
5352
5454
5556
5657
5759
5861
5963
6058
6160
6262
6364
6465
6567
6669
6771
6866
6968
7070
7172
7273
7375
7477

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