login

A091250 as a simple table

na(n)
13
27
311
413
519
625
737
841
947
1055
1159
1261
1367
1491
1597
16103
17109
18115
19131
20137
21143
22145
23157
24167
25171
26185
27191
28193
29203
30211
31213
32229
33239
34241
35247
36253
37285
38299
39301
40333
41351
42355
43357
44361
45369
46391
47397
48425
49451
50463
51487
52501
53529
54539
55545

[3,7,11,13,19,25,37,41,47,55,59,61,67,91,97,103,
 109,115,131,137,143,145,157,167,171,185,191,193,
 203,211,213,229,239,241,247,253,285,299,301,333,
 351,355,357,361,369,391,397,425,451,463,487,501,
 529,539,545]