login

A374447 as a simple table

na(n)
12
21
33
49
54
67
76
88
95
1010
1120
1211
1318
1413
1516
1615
1717
1812
1919
2014
2121
2235
2322
2433
2524
2631
2726
2829
2928
3030
3123
3232
3325
3434
3527
3636
3754
3837
3952
4039
4150
4241
4348
4443
4546
4645
4747
4838
4949
5040
5151
5242
5353
5444
5555

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