login

A331230 as a simple table

na(n)
11
22
33
44
55
67
79
811
912
1013
1117
1218
1319
1420
1523
1624
1725
1828
1929
2030
2131
2232
2336
2437
2540
2641
2742
2843
2944
3045
3147
3248
3349
3450
3552
3653
3754
3856
3959
4060
4161
4263
4366
4467
4568
4670
4771
4872
4973
5075
5176
5278
5379
5480
5583
5684
5788
5889
5990
6092
6197
6298
6399
64100
65101
66102

[1,2,3,4,5,7,9,11,12,13,17,18,19,20,23,24,25,28,
 29,30,31,32,36,37,40,41,42,43,44,45,47,48,49,50,
 52,53,54,56,59,60,61,63,66,67,68,70,71,72,73,75,
 76,78,79,80,83,84,88,89,90,92,97,98,99,100,101,
 102]