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A207790 as a simple table

na(n)
11
22
34
43
58
65
76
87
916
1011
119
1213
1312
1417
1510
1619
1732
1823
1914
2029
2118
2231
2315
2437
2524
2641
2721
2843
2920
3047
3122
3253
3364
3459
3525
3661
3727
3867
3926
4071
4136
4273
4333
4479
4528
4683
4734
4889
4948
5097
5135
52101
5330
54103
5538
56107
5740
58109
5939
60113
6142
62127
6346
64131
65128
66137
6749
68139
6944
70149
7151
72151

[1,2,4,3,8,5,6,7,16,11,9,13,12,17,10,19,32,23,14,
 29,18,31,15,37,24,41,21,43,20,47,22,53,64,59,25,
 61,27,67,26,71,36,73,33,79,28,83,34,89,48,97,35,
 101,30,103,38,107,40,109,39,113,42,127,46,131,128,
 137,49,139,44,149,51,151]