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A110392
a(n) = L((2n+1)^2)/L(2n+1), where L(n) = Lucas Number.
0
1, 19, 15251, 599786069, 1114769987764201, 97420733208491869044199, 400012422749007152825031617346281, 77162215003721161199201918848868019810593999
OFFSET
0,2
COMMENTS
Subsidiary sequence : L((2n+1)*n)/L(n).
EXAMPLE
a(2) = L(25)/L(5) = 167761/11 = 15251.
MAPLE
with(combinat): seq((2*fibonacci((2*n+1)^2+1)-fibonacci((2*n+1)^2))/(2*fibonacci(2*n+2)-fibonacci(2*n+1)), n=0..9); # Emeric Deutsch, Jul 31 2005
CROSSREFS
Cf. A000204.
Sequence in context: A357252 A186165 A198412 * A107100 A233233 A203581
KEYWORD
easy,nonn
AUTHOR
Amarnath Murthy, Jul 27 2005
EXTENSIONS
More terms from Emeric Deutsch, Jul 31 2005
STATUS
approved