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”).

A118915 as a simple table

na(n)
15
213
319
423
537
641
789
8113
9127
10131
11139
12149
13167
14197
15229
16233
17239
18251
19271
20359
21373
22401
23433
24449
25463
26503
27523
28541
29607
30631
31643
32653
33701
34719
35743
36769
37811
38827
39877
40881
41887
42919
43967
44971
451009
461013
471021
481093
491097
501283
511301

[5,13,19,23,37,41,89,113,127,131,139,149,167,197,
 229,233,239,251,271,359,373,401,433,449,463,503,
 523,541,607,631,643,653,701,719,743,769,811,827,
 877,881,887,919,967,971,1009,1013,1021,1093,1097,
 1283,1301]