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A143167 Second column of triangle A000369: |S2(-3;n+2,2)|. 1
1, 9, 111, 1785, 35595, 848925, 23586255, 748471185, 26715409875, 1059544210725, 46230843633975, 2201008238854425, 113546715232225275, 6309834090304870125, 375777507964741257375, 23876826206710426574625, 1612323634555365676819875 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

FORMULA

a(n)=A000369(n+2,2)=|S2(-3;n+2,2)|, n>=0.

E.g.f.: diff(((1-(1-4*x)^(1/4))^2)/2!,x$2)= (3 - 2*(1-4*x)^(1/4))/(1-4*x)^(7/4).

CROSSREFS

First column of A000369 is A008545, third one is A143168.

Sequence in context: A053904 A058607 A082723 * A201532 A180788 A156949

Adjacent sequences:  A143164 A143165 A143166 * A143168 A143169 A143170

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Sep 15 2008

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Last modified February 15 12:04 EST 2012. Contains 205782 sequences.