login

A001651 as a simple table

na(n)
11
22
34
45
57
68
710
811
913
1014
1116
1217
1319
1420
1522
1623
1725
1826
1928
2029
2131
2232
2334
2435
2537
2638
2740
2841
2943
3044
3146
3247
3349
3450
3552
3653
3755
3856
3958
4059
4161
4262
4364
4465
4567
4668
4770
4871
4973
5074
5176
5277
5379
5480
5582
5683
5785
5886
5988
6089
6191
6292
6394
6495
6597
6698
67100
68101
69103
70104

[1,2,4,5,7,8,10,11,13,14,16,17,19,20,22,23,25,26,
 28,29,31,32,34,35,37,38,40,41,43,44,46,47,49,50,
 52,53,55,56,58,59,61,62,64,65,67,68,70,71,73,74,
 76,77,79,80,82,83,85,86,88,89,91,92,94,95,97,98,
 100,101,103,104]