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A143168 Third column of triangle A000369: |S2(-3;n+3,3)|. 2
1, 18, 345, 7650, 196245, 5755050, 190482705, 7034400450, 286988226525, 12826061498250, 623403611055225, 32747785180560450, 1849179329801929125, 111713055889014830250, 7190273917194645902625, 491244630824362410245250, 35508203161436371983742125 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

FORMULA

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

E.g.f.: diff(((1-(1-4*x)^(1/4))^3)/3!,x$3) = (-1/2 )*(20*x - 5 - 21*(1-4*x)^(1/2)+24*(1-4*x)^(3/4))/(1-4*x)^(13/4).

CROSSREFS

Second column of A000369 is A143167, fourth one is A143169.

Sequence in context: A068771 A039646 A158590 * A127585 A182609 A086502

Adjacent sequences:  A143165 A143166 A143167 * A143169 A143170 A143171

KEYWORD

nonn,easy

AUTHOR

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

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Last modified February 16 03:44 EST 2012. Contains 205860 sequences.