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”).

A075451 as a simple table

na(n)
11
22
35
413
517
625
729
837
941
1053
1173
1289
13101
14109
15113
16125
17137
18149
19157
20169
21173
22193
23229
24233
25257
26269
27289
28293
29317
30337
31349
32353
33373
34389
35397
36401
37421
38449
39461
40509
41521
42557
43569
44577
45593
46613
47617
48625
49641
50653
51673

[1,2,5,13,17,25,29,37,41,53,73,89,101,109,113,125,
 137,149,157,169,173,193,229,233,257,269,289,293,
 317,337,349,353,373,389,397,401,421,449,461,509,
 521,557,569,577,593,613,617,625,641,653,673]