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A049665 a(n)=(F(6n+4)-3)/4, where F=A000045 (the Fibonacci sequence). 0
0, 13, 246, 4427, 79452, 1425721, 25583538, 459077975, 8237820024, 147821682469, 2652552464430, 47598122677283, 854113655726676, 15326447680402897, 275021944591525482, 4935068554967055791 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A157969 A020520 A203156 * A196665 A027400 A053100

Adjacent sequences:  A049662 A049663 A049664 * A049666 A049667 A049668

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

EXTENSIONS

More terms from James A. Sellers (sellersj(AT)math.psu.edu), Jan 20 2000

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Last modified February 15 19:15 EST 2012. Contains 205852 sequences.