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A132607
X-values of solutions to the equation X*(X + 1) - 11*Y^2 = 0.
1
0, 99, 39600, 15760899, 6272798400, 2496558002499, 993623812196400, 395459780696164899, 157391999093261433600, 62641620179337354408099, 24931207439377173792990000, 9922557919251935832255612099
OFFSET
0,2
FORMULA
a(n) = 398*a(n-1) - a(n-2) + 198; a(0)=0, a(1)=99.
G.f.: -99*x*(x+1)/((x-1)*(x^2 - 398*x + 1)). - Colin Barker, Oct 25 2012
MATHEMATICA
LinearRecurrence[{399, -399, 1}, {0, 99, 39600}, 20] (* Harvey P. Dale, Aug 12 2022 *)
CROSSREFS
Cf. A007654.
Sequence in context: A213694 A295434 A233227 * A221326 A221301 A233144
KEYWORD
nonn,easy
AUTHOR
Mohamed Bouhamida, Nov 14 2007
EXTENSIONS
More terms from Paolo P. Lava, Oct 07 2008
STATUS
approved