login

A076369 as a simple table

na(n)
12
21
32
44
54
67
76
88
99
1011
1110
1212
1312
1415
1516
1616
1716
1818
1918
2020
2122
2223
2322
2424
2525
2627
2727
2828
2928
3029
3130
3232
3334
3435
3536
3636
3736
3839
3940
4040
4140
4241
4342
4444
4545
4647
4746
4848
4949
5050
5152
5252
5352
5454
5556
5656
5758
5859
5958
6060
6160
6263
6363
6464
6566
6665
6766
6868
6970
7069
7170
7272

[2,1,2,4,4,7,6,8,9,11,10,12,12,15,16,16,16,18,18,
 20,22,23,22,24,25,27,27,28,28,29,30,32,34,35,36,
 36,36,39,40,40,40,41,42,44,45,47,46,48,49,50,52,
 52,52,54,56,56,58,59,58,60,60,63,63,64,66,65,66,
 68,70,69,70,72]