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Search: id:A061185
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A061185 One half of sixth (m=5) column of triangle A060921 (bisection of Fibonacci triangle, odd part). +0
2
3, 49, 462, 3294, 19715, 104517, 506646, 2292310, 9817920, 40210800, 158677370, 606790410, 2258770689, 8214432303, 29269938510, 102434633406, 352793077413, 1197764971911, 4014411070092 (list; graph; listen)
OFFSET

0,1

COMMENT

Numerator polynomial of g.f. is sum(A061177(5,m)*x^m,m=0..5)/2.

FORMULA

a(n)= A060921(n+5, 5)/2.

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

CROSSREFS

A061184.

Sequence in context: A063777 A067788 A167601 this_sequence A012199 A062961 A012206

Adjacent sequences: A061182 A061183 A061184 this_sequence A061186 A061187 A061188

KEYWORD

nonn,easy

AUTHOR

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

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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