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Search: id:A049673
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A049673 a(n)=(F(3n)+F(n))/3, where F=A000045 (the Fibonacci sequence). +0
1
0, 1, 3, 12, 49, 205, 864, 3653, 15463, 65484, 277365, 1174889, 4976832, 21082073, 89304891, 378301260, 1602509321, 6788337557, 28755857952, 121811766781, 516002920895, 2185823443596, 9259296684333, 39223010163217 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A012772 A012864 A045890 this_sequence A052703 A002179 A034541

Adjacent sequences: A049670 A049671 A049672 this_sequence A049674 A049675 A049676

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified September 6 09:40 EDT 2008. Contains 143480 sequences.

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