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A174775
y-values in the solution to x^2 - 37*y^2 = 1.
2
0, 12, 1752, 255780, 37342128, 5451694908, 795910114440, 116197425013332, 16964028141832032, 2476631911282463340, 361571295019097815608, 52786932440876998615428, 7706530565073022700036880
OFFSET
1,2
COMMENTS
The corresponding values of x of this Pell equation are in A174747.
FORMULA
a(n) = 146*a(n-1)-a(n-2) with a(1)=0, a(2)=12.
G.f.: 12*x^2/(1-146*x+x^2).
MATHEMATICA
LinearRecurrence[{146, -1}, {0, 12}, 30]
PROG
(Magma) I:=[0, 12]; [n le 2 select I[n] else 146*Self(n-1)-Self(n-2): n in [1..20]];
CROSSREFS
Cf. A174747.
Sequence in context: A013717 A252767 A015485 * A145186 A160304 A013479
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Apr 15 2010
STATUS
approved