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A084151 Binomial transform of a Pell convolution. 0
0, 0, 1, 9, 62, 390, 2359, 14007, 82412, 482652, 2820061, 16457397, 95983370, 559619970, 3262267891, 19015581699, 110836005272, 646014798840, 3765295834489, 21945889348257, 127910427675542, 745517838966462 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

COMMENTS

Binomial transform of A006668. Second binomial transform of A084150.

FORMULA

a(n)=((3+sqrt(8))^n+(3-sqrt(8))^n-2*3^n)/16; E.g.f.: exp(3x)(sinh(sqrt(2)x))^2/4.

CROSSREFS

Sequence in context: A098921 A027234 A081574 * A159235 A181403 A085645

Adjacent sequences:  A084148 A084149 A084150 * A084152 A084153 A084154

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), May 16 2003

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Last modified February 15 07:19 EST 2012. Contains 205703 sequences.