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A108362 Pair reversal of Fibonacci numbers. +0
2
1, 0, 2, 1, 5, 3, 13, 8, 34, 21, 89, 55, 233, 144, 610, 377, 1597, 987, 4181, 2584, 10946, 6765, 28657, 17711, 75025, 46368, 196418, 121393, 514229, 317811, 1346269, 832040, 3524578, 2178309, 9227465, 5702887, 24157817, 14930352, 63245986 (list; graph; listen)
OFFSET

0,3

FORMULA

G.f.: (1-x^2+x^3)/(1-3x^2+x^4); a(n)=3a(n-2)-a(n-4), a(0)=1, a(1)=0; a(n)=(sqrt(5)/2-1/2)^n((-1)^n/2-sqrt(5)/10)+(sqrt(5)/2+1/2)^n(sqrt(5)*(-1)^n/10+1/2).

CROSSREFS

Cf. A000045.

Sequence in context: A131119 A114901 A113178 this_sequence A056242 A128718 A112358

Adjacent sequences: A108359 A108360 A108361 this_sequence A108363 A108364 A108365

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), May 31 2005

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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