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A131391 as a simple table

na(n)
11
22
34
45
58
610
711
813
916
1017
1119
1221
1324
1425
1528
1629
1732
1833
1935
2037
2139
2241
2344
2446
2547
2649
2751
2853
2956
3057
3159
3261
3363
3465
3568
3669
3772
3873
3975
4077
4179
4281
4383
4485
4588
4690
4792
4894
4995
5097
5199
52101
53103
54105
55108
56109
57111
58113
59115
60117
61119
62121
63123
64125
65127
66129

[1,2,4,5,8,10,11,13,16,17,19,21,24,25,28,29,32,33,
 35,37,39,41,44,46,47,49,51,53,56,57,59,61,63,65,
 68,69,72,73,75,77,79,81,83,85,88,90,92,94,95,97,
 99,101,103,105,108,109,111,113,115,117,119,121,
 123,125,127,129]