A083869 - cp's OEIS frontend

A083869 a(1)=1 then a(n) is the least k>=1 such that the nested radical sqrt(a(1)^2+sqrt(a(2)^2+sqrt(a(3)^2+(....+sqrt(a(n)^2)))...) is an integer.

n	a(n)
1	1
2	3
3	55
4	43631
5	99515655135
6	4723258824886629604131775
7	589359179694820074404152604620573424809709490316113791
8	13331474848620898858862175943355927686887898121894707763190978243005066121710225087713374054319814910927464555589375

[1, 3, 55, 43631, 99515655135, 4723258824886629604131775, 589359179694820074404152604620573424809709490316113791, 13331474848620898858862175943355927686887898121894707763190978243005066121710225087713374054319814910927464555589375]

cp's OEIS Frontend

A083869 a(1)=1 then a(n) is the least k>=1 such that the nested radical sqrt(a(1)^2+sqrt(a(2)^2+sqrt(a(3)^2+(....+sqrt(a(n)^2)))...) is an integer.

Table of values

List of values