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A111619 as a simple table

na(n)
11
22
33
44
510
66
714
88
99
1010
1111
1212
1326
1414
1530
1616
1717
1818
1938
2020
2142
2222
2346
2448
2550
2652
2727
2856
2929
3030
3131
3232
3366
3434
3570
3672
3774
3876
3978
4040
4182
4284
4386
4488
4590
4692
4794
4848
4949
50100
5151
52104
53106
54108
55110
56112
57114
5858
59118
60120
61122
62124
63126
6464
6565
6666
67134
6868

[1,2,3,4,10,6,14,8,9,10,11,12,26,14,30,16,17,18,
 38,20,42,22,46,48,50,52,27,56,29,30,31,32,66,34,
 70,72,74,76,78,40,82,84,86,88,90,92,94,48,49,100,
 51,104,106,108,110,112,114,58,118,120,122,124,126,
 64,65,66,134,68]