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A123091 as a simple table

na(n)
11
22
33
44
55
67
710
811
913
1015
1117
1219
1320
1423
1529
1631
1737
1841
1943
2047
2153
2259
2361
2465
2567
2671
2773
2879
2983
3089
3197
32101
33103
34107
35109
36113
37124
38127
39131
40137
41139
42149
43151
44157
45163
46167
47173
48179
49181
50190
51191
52193
53197
54199
55211
56217
57223
58227
59229
60233
61239

[1,2,3,4,5,7,10,11,13,15,17,19,20,23,29,31,37,41,
 43,47,53,59,61,65,67,71,73,79,83,89,97,101,103,
 107,109,113,124,127,131,137,139,149,151,157,163,
 167,173,179,181,190,191,193,197,199,211,217,223,
 227,229,233,239]