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Search: id:A049671
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A049671 a(n)=(F(n)+F(4n))/2, where F=A000045 (the Fibonacci sequence). +0
1
0, 2, 11, 73, 495, 3385, 23188, 158912, 1089165, 7465193, 51167105, 350704411, 2403763560, 16475640166, 112925717047, 774004378265, 5305104929355, 36361730124869, 249227005940924, 1708227311455444 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A135166 A118347 A047776 this_sequence A074609 A114179 A058789

Adjacent sequences: A049668 A049669 A049670 this_sequence A049672 A049673 A049674

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.

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