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A110125 Row sums of a scaled Legendre triangle. 1
1, 1, 1, 9, 43, 213, 1507, 12537, 114325, 1144221, 12512373, 148351881, 1892798733, 25816700309, 374406371121, 5748436717505, 93098093268755, 1585364420710205, 28305454044441843, 528500175862180033, 10295596472841577779 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

COMMENTS

Row sums of A110124.

FORMULA

a(n)=sum{k=0..n, 2^(n-k)*LegendreP(n-k, k)}.

CROSSREFS

Sequence in context: A195975 A185918 A116015 * A034194 A075206 A161457

Adjacent sequences:  A110122 A110123 A110124 * A110126 A110127 A110128

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Jul 13 2005

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Last modified February 17 02:48 EST 2012. Contains 205978 sequences.