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A114185 F(2n)-n-1, where F(n)=Fibonacci number. 0
0, 4, 16, 49, 137, 369, 978, 2574, 6754, 17699, 46355, 121379, 317796, 832024, 2178292, 5702869, 14930333, 39088149 (list; graph; refs; listen; history; internal format)
OFFSET

2,2

COMMENTS

Related to the log base phi of sequence A090162.

LINKS

Guo-Niu Han, Enumeration of Standard Puzzles

MAPLE

g:=(-1+3*z)/(1-3*z+z^2): gser:=series(g, z=0, 43): seq(abs(coeff(gser, z, n)-n), n=3..20); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 22 2009]

CROSSREFS

Cf. A001906, A090162.

Sequence in context: A119003 A119005 A086601 * A188516 A202349 A188501

Adjacent sequences:  A114182 A114183 A114184 * A114186 A114187 A114188

KEYWORD

easy,nonn

AUTHOR

Greg Huber (huber(AT)alum.mit.edu), Feb 04 2006

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Last modified February 16 11:21 EST 2012. Contains 205907 sequences.