login

A050137 as a simple table

na(n)
12
21
36
43
510
65
714
87
918
109
114
1224
1312
1428
1530
1615
1734
1817
198
2040
2120
2244
2322
2411
2550
2625
2754
2827
2913
3060
3162
3231
3366
3433
3516
3672
3736
3876
3938
4019
4182
4241
4386
4443
4521
4692
4746
4823
4998
5049
51102
5251
53106
5453
5526
56112
5756
58116
5958
6029
61122
6261

[2,1,6,3,10,5,14,7,18,9,4,24,12,28,30,15,34,17,8,
 40,20,44,22,11,50,25,54,27,13,60,62,31,66,33,16,
 72,36,76,38,19,82,41,86,43,21,92,46,23,98,49,102,
 51,106,53,26,112,56,116,58,29,122,61]