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”).

A369901 as a simple table

na(n)
13
25
313
49
525
641
757
817
949
1081
11113
12145
13177
14209
15241
1633
1797
18161
19225
20289
21353
22417
23481
24545
25609
26673
27737
28801
29865
30929
31993
3265
33193
34321
35449
36577
37705
38833
39961
401089
411217
421345
431473
441601
451729
461857
471985
482113
492241
502369
512497
522625
532753
542881

[3,5,13,9,25,41,57,17,49,81,113,145,177,209,241,
 33,97,161,225,289,353,417,481,545,609,673,737,801,
 865,929,993,65,193,321,449,577,705,833,961,1089,
 1217,1345,1473,1601,1729,1857,1985,2113,2241,2369,
 2497,2625,2753,2881]