login

A031912 as a simple table

na(n)
13
229
361
4101
5139
6181
7229
8271
9317
10373
11421
12463
13521
14577
15619
16673
17733
18787
19839
20887
21953
221013
231061
241109
251181
261231
271291
281361
291429
301481
311531
321583
331627
341699
351759
361831
371889
381973
392017
402083
412137
422213
432273
442339

[3,29,61,101,139,181,229,271,317,373,421,463,521,
 577,619,673,733,787,839,887,953,1013,1061,1109,
 1181,1231,1291,1361,1429,1481,1531,1583,1627,1699,
 1759,1831,1889,1973,2017,2083,2137,2213,2273,2339]