login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A045388 as a simple table

na(n)
12
213
323
429
537
641
743
871
979
1083
1197
12107
13113
14127
15139
16149
17163
18167
19181
20191
21197
22211
23223
24233
25239
26251
27281
28293
29307
30317
31331
32337
33349
34359
35373
36379
37401
38419
39421
40433
41443
42449
43457
44461
45463

[2,13,23,29,37,41,43,71,79,83,97,107,113,127,139,
 149,163,167,181,191,197,211,223,233,239,251,281,
 293,307,317,331,337,349,359,373,379,401,419,421,
 433,443,449,457,461,463]