OFFSET
0,3
COMMENTS
5*a(n) are the y-values in solutions to x^2 - 27*y^2 = 1.
LINKS
FORMULA
G.f.: x/(1 - 52*x + x^2).
EXAMPLE
a(2) = 52: A114052(2) = 1351; 1351^2 - 27*(5*52)^2 = 1825201 - 1825200 = 1.
MATHEMATICA
LinearRecurrence[{52, -1}, {0, 1}, 18]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Hugo Pfoertner, Feb 11 2024
STATUS
approved