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A117285 as a simple table

na(n)
11
22
33
45
57
611
713
817
918
1019
1120
1222
1323
1425
1529
1630
1731
1837
1941
2043
2147
2253
2359
2461
2567
2671
2773
2875
2979
3083
3189
3297
33101
34102
35103
36107
37109
38110
39113
40127
41131
42132
43137
44139
45140
46149
47151
48155
49157
50163
51167
52173
53179
54181
55191
56193
57197
58199
59203
60211
61223

[1,2,3,5,7,11,13,17,18,19,20,22,23,25,29,30,31,37,
 41,43,47,53,59,61,67,71,73,75,79,83,89,97,101,102,
 103,107,109,110,113,127,131,132,137,139,140,149,
 151,155,157,163,167,173,179,181,191,193,197,199,
 203,211,223]