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Search: id:A160909
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A160909 Row sums of triangle defined in A096539. +0
2
2, 3, 10, 28, 198, 520, 3570, 9348, 64078, 1149850, 3010348, 54018520, 370248450, 969323028, 6643838878, 119218851370, 2139295485798, 5600748293800, 100501350283428, 688846502588398, 1803423556807920, 32361122672259148 (list; graph; listen)
OFFSET

1,1

PROGRAM

(MAGMA) [ &+[ Binomial(n-k, k)+Binomial(n-k-1, k-1): k in [1..n div 2] ]: n in [1..80] | IsPrime(n) ];

CROSSREFS

Cf. A096539, A034807.

Sequence in context: A140453 A037169 A058953 this_sequence A004980 A034324 A121909

Adjacent sequences: A160906 A160907 A160908 this_sequence A160910 A160911 A160912

KEYWORD

nonn

AUTHOR

Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), May 29 2009

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.


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