login

A084493 as a simple table

na(n)
11
23
32
45
56
64
79
87
98
1012
1111
1210
1314
1415
1516
1613
1718
1820
1917
2019
2122
2224
2323
2421
2527
2625
2728
2826
2931
3030
3132
3229
3335
3436
3533
3634
3739
3840
3938
4037
4144
4241
4342
4443
4548
4645
4747
4846
4952
5050
5149
5251
5356
5454
5555
5653
5760
5859
5957
6058
6164
6263
6362
6461
6566
6667
6769
6865
6968
7071
7173
7270

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