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Search: id:A061170
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A061170 Fourth column of Lucas bisection triangle (even part). +0
1
1, 70, 905, 6666, 37580, 181074, 786715, 3176210, 12139859, 44471340, 157483176, 542468100, 1826073525, 6028577566, 19573942365, 62643859374, 197971385860, 618724626390, 1914707164559, 5873145245930 (list; graph; listen)
OFFSET

0,2

COMMENT

Numerator of g.f. is row polynomial sum(A061186(4,m)*x^m,m=0..6).

FORMULA

a(n)= A060923(n+3, 3).

G.f.: (1+58*x+123*x^2-278*x^3+193*x^4-72*x^5+16*x^6)/(1-3*x+x^2)^4.

CROSSREFS

A002878(n)=A060923(n, 0), A060934, A061169.

Sequence in context: A027804 A006037 A002975 this_sequence A125114 A061606 A107421

Adjacent sequences: A061167 A061168 A061169 this_sequence A061171 A061172 A061173

KEYWORD

nonn,easy

AUTHOR

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

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.


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