login

A153249 as a simple table

na(n)
01
12
23
34
45
56
66
77
88
99
1010
1111
1214
1311
1412
1513
1615
1714
1815
1916
2019
2116
2217
2318
2420
2519
2620
2721
2822
2923
3024
3125
3228
3337
3425
3526
3627
3729
3838
3928
4029
4130
4233
4339
4430
4531
4632
4734
4840
4933
5034
5135
5236
5341
5437
5538
5639
5742
5851
5939
6040
6141
6243
6352
6442
6543
6644
6747
6853
6944
7045
7146

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