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A031311 as a simple table

na(n)
18
27
36
45
54
63
72
81
911
108
11166
12147
13127
14107
1587
1667
1747
1827
19150
20148
217
22144
23125
24105
2585
2665
2745
2825
29130
30128
31126
326
33122
34103
3583
3663
3743
3823
39110
40108
41106
42104
435
44100
4581
4661
4741
4821
4990
5088
5186
5284
5382
544
5578
5659
5739
5819
5970
6068

[8,7,6,5,4,3,2,1,11,8,166,147,127,107,87,67,47,27,
 150,148,7,144,125,105,85,65,45,25,130,128,126,6,
 122,103,83,63,43,23,110,108,106,104,5,100,81,61,
 41,21,90,88,86,84,82,4,78,59,39,19,70,68]