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Search: id:A061179
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A061179 Fourth column (m=3) of triangle A060920 (bisection of Fibonacci triangle, even part). +0
2
1, 14, 105, 594, 2860, 12402, 49963, 190570, 696787, 2463300, 8472280, 28481220, 93914325, 304597382, 973877245, 3075011478, 9602753412, 29695165110, 91026167999, 276833858530, 835933445799, 2507876305416 (list; graph; listen)
OFFSET

0,2

COMMENT

Numerator polynomial of g.f. is sum(A061176(4,m)*x^m,m=0..4).

FORMULA

a(n)= A060920(n+3, 3).

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

CROSSREFS

A061178.

Sequence in context: A008506 A010966 A022579 this_sequence A076128 A125351 A126509

Adjacent sequences: A061176 A061177 A061178 this_sequence A061180 A061181 A061182

KEYWORD

nonn,easy

AUTHOR

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

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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