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A375270 as a simple table

na(n)
11
22
33
45
57
68
711
813
917
1019
1123
1227
1329
1431
1537
1641
1743
1847
1953
2059
2161
2267
2371
2473
2579
2683
2789
2897
29101
30103
31107
32109
33113
34125
35127
36131
37137
38139
39149
40151
41157
42163
43167
44173
45179
46181
47191
48193
49197
50199
51211
52223
53227
54229
55233
56239
57241
58251
59256

[1,2,3,5,7,8,11,13,17,19,23,27,29,31,37,41,43,47,
 53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,
 125,127,131,137,139,149,151,157,163,167,173,179,
 181,191,193,197,199,211,223,227,229,233,239,241,
 251,256]