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”).

A272750 as a simple table

na(n)
01
15
213
329
449
589
697
7165
8177
9273
10277
11385
12389
13545
14549
15701
16697
17889
18917
191057
201097
211301
221409
231557
241681
251925
261821
272213
282173
292465
302601
312821
322853
333193
343253
353541
363481
373989
384057
394437
404493
414853
424797
435557
445381
455933
465749
476589

[1,5,13,29,49,89,97,165,177,273,277,385,389,545,
 549,701,697,889,917,1057,1097,1301,1409,1557,1681,
 1925,1821,2213,2173,2465,2601,2821,2853,3193,3253,
 3541,3481,3989,4057,4437,4493,4853,4797,5557,5381,
 5933,5749,6589]