OFFSET
0,1
COMMENTS
LINKS
Zhi-Wei Sun, Table of n, a(n) for n = 0..3800
EXAMPLE
a(0) = 7 since 0 + 7^3 = 10^2 + 3^5.
a(3) = 34 since 3 + 34^3 = 150^2 + 7^5.
a(8) = 30 since 8 + 30^3 = 101^2 + 7^5.
a(11) = 242 since 11 + 242^3 = 3420^2 + 19^5.
a(766) = 90891 since 766 + 90891^3 = 11850281^2 + 906^5.
MATHEMATICA
SQ[n_]:=SQ[n]=IntegerQ[Sqrt[n]]
Do[x=1; Label[bb]; Do[If[SQ[n+x^3-y^5], Print[n, " ", x]; Goto[aa]], {y, 1, (n+x^3-1)^(1/5)}]; x=x+1; Goto[bb]; Label[aa]; Continue, {n, 0, 70}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Zhi-Wei Sun, Jan 08 2016
STATUS
approved