login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A140546 as a simple table

na(n)
12
23
371
4127
5139
6149
7181
8211
9241
10281
11293
12349
13397
14401
15409
16419
17421
18431
19479
20487
21491
22499
23521
24523
25617
26631
27643
28661
29673
30691
31701
32709
33719
34743
35761
36769
37773
38787
39797
40809
41811
42839
43907
44911
45919
46929
47937
48967
491009
501021
511031
521049

[2,3,71,127,139,149,181,211,241,281,293,349,397,
 401,409,419,421,431,479,487,491,499,521,523,617,
 631,643,661,673,691,701,709,719,743,761,769,773,
 787,797,809,811,839,907,911,919,929,937,967,1009,
 1021,1031,1049]