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Search: id:A110392
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| A110392 |
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a(n) = L((2n+1)^2)/L(2n+1), where L(n) = Lucas Number. |
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+0
1
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| 1, 19, 15251, 599786069, 1114769987764201, 97420733208491869044199, 400012422749007152825031617346281, 77162215003721161199201918848868019810593999
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Subsidiary sequence : a(n)= L((2n+1)*n)/L(n).
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EXAMPLE
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a(2) = L(25)/L(5) = 167761/11 = 15251.
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MAPLE
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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); (Deutsch)
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CROSSREFS
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Cf. A000204.
Adjacent sequences: A110389 A110390 A110391 this_sequence A110393 A110394 A110395
Sequence in context: A067267 A124989 A093400 this_sequence A107100 A125043 A068734
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KEYWORD
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easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 27 2005
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EXTENSIONS
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More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Jul 31 2005
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