login

A227370 as a simple table

na(n)
00
11
22
34
43
56
65
78
87
99
1010
1111
1212
1313
1414
1516
1615
1718
1817
1920
2019
2122
2221
2324
2423
2525
2626
2727
2828
2929
3030
3131
3232
3333
3434
3536
3635
3738
3837
3940
4039
4142
4241
4344
4443
4546
4645
4748
4847
4949
5050
5151
5252
5353
5454
5555
5656
5757
5858
5959
6060
6161
6262
6364
6463
6566
6665
6768
6867

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