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A249559 as a simple table

na(n)
13
22
35
47
54
69
711
813
917
1019
118
1223
1315
1429
1531
1637
1741
1843
1947
2049
2153
2259
2316
2461
2567
2671
2725
2827
2973
3079
3183
3289
3397
34101
35103
36107
37109
38113
39121
40127
4191
42131
43137
44139
45149
46151
4732
48157
49163
50167
51173
52179
53181
54191
5585
56193
5757
58197
59199
60211
61223
62227
63229
64233
65239
66241
67251
68257
69263

[3,2,5,7,4,9,11,13,17,19,8,23,15,29,31,37,41,43,
 47,49,53,59,16,61,67,71,25,27,73,79,83,89,97,101,
 103,107,109,113,121,127,91,131,137,139,149,151,32,
 157,163,167,173,179,181,191,85,193,57,197,199,211,
 223,227,229,233,239,241,251,257,263]