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”).

A045584 as a simple table

na(n)
11
27
349
4343
52401
62653
716807
818571
9117649
10129997
11823543
12909979
131005487
144941601
155764801
166369853
177038409
1834591207
1940353607
2044588971
2149268863
22236474833
23242138449
24282475249
25312122797
26344882041
27381079573
281655323831
291694969143
301872866779
311977326743

[1,7,49,343,2401,2653,16807,18571,117649,129997,
 823543,909979,1005487,4941601,5764801,6369853,
 7038409,34591207,40353607,44588971,49268863,
 236474833,242138449,282475249,312122797,344882041,
 381079573,1655323831,1694969143,1872866779,
 1977326743]