OFFSET
1,1
COMMENTS
Subsequence of A293690.
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..10000
EXAMPLE
15^2 + 2^6 = 17^2 and gcd(15, 2, 17) = 1, 17 is a term.
885416^2 + 33^6 = 886145^2 and gcd(885416, 33, 886145) = 1, 886145 is a term.
MATHEMATICA
z={}; Do[If[IntegerQ[(n^2 - y^6)^(1/2)] && GCD[y, n]==1, AppendTo[z, n]], {n, 8.9*10^5}, {y, (n^2 - 1)^(1/6)}]; z
CROSSREFS
KEYWORD
nonn
AUTHOR
XU Pingya, Oct 14 2017
STATUS
approved