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

0,2

COMMENTS

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

LINKS

Table of n, a(n) for n=0..21.

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: A010966 A290895 A022579 * A285752 A076128 A206761

Adjacent sequences:  A061176 A061177 A061178 * A061180 A061181 A061182

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Apr 20 2001

STATUS

approved

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Last modified September 28 11:24 EDT 2020. Contains 337393 sequences. (Running on oeis4.)