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”).

A024839 as a simple table

na(n)
213
333
461
597
6161
7221
8313
9393
10513
11613
12761
13881
141057
151249
161405
171625
181861
192049
202313
212593
222813
233121
243445
253697
264049
274417
284801
295101
305513
315941
326385
336729
347201
357689
368193
378581
389113
399661
4010225
4110657
4211249
4311857

[13,33,61,97,161,221,313,393,513,613,761,881,1057,
 1249,1405,1625,1861,2049,2313,2593,2813,3121,3445,
 3697,4049,4417,4801,5101,5513,5941,6385,6729,7201,
 7689,8193,8581,9113,9661,10225,10657,11249,11857]