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A061181 Sixth column (m=5) of triangle A060920 (bisection of Fibonacci triangle, even part). +0
1
1, 27, 315, 2534, 16407, 91959, 464723, 2171850, 9546570, 39940460, 160437690, 622844730, 2348773525, 8638447293, 31086197469, 109744786482, 380920122009, 1302304276665, 4392297900647 (list; graph; listen)
OFFSET

0,2

COMMENT

Numerator polynomial of g.f. is sum(A061176(6,m)*x^m,m=0..6).

FORMULA

a(n)= A060920(n+5, 5).

G.f.: ((1+x^6)+9*(x+x^5)-30*(x^2+x^4)+41*x^3)/(1-3*x+x^2)^6.

CROSSREFS

A061180.

Sequence in context: A125415 A119295 A048396 this_sequence A010832 A022719 A048709

Adjacent sequences: A061178 A061179 A061180 this_sequence A061182 A061183 A061184

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Apr 20 2001

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.


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