login

A065190 as a simple table

na(n)
11
23
32
45
54
67
76
89
98
1011
1110
1213
1312
1415
1514
1617
1716
1819
1918
2021
2120
2223
2322
2425
2524
2627
2726
2829
2928
3031
3130
3233
3332
3435
3534
3637
3736
3839
3938
4041
4140
4243
4342
4445
4544
4647
4746
4849
4948
5051
5150
5253
5352
5455
5554
5657
5756
5859
5958
6061
6160
6263
6362
6465
6564
6667
6766
6869
6968
7071
7170
7273

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