login

A064207 as a simple table

na(n)
07
18
23
32
40
51
65
74
89
96
1015
1112
1211
1310
1419
1514
1613
1718
1817
1916
2021
2120
2227
2324
2423
2522
2631
2726
2825
2930
3029
3128
3233
3332
3439
3536
3635
3734
3843
3938
4037
4142
4241
4340
4445
4544
4651
4748
4847
4946
5055
5150
5249
5354
5453
5552
5657
5756

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