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A113857 A062190(4+2n,4+n). 0
126, 2772, 48048, 772200, 12033450, 184940756, 2824549728, 43028530272 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

If one uses the "table" view of array A062190, the sequence appears as the fourth column right from the middle in the "formatted as a triangular array" subpanel.

FORMULA

C(4+2*n,n)*C(9+2*n,4+n).

a(n)=A002694(n+2)*A001700(n+4). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 28 2008

EXAMPLE

if n=0 then C(4+2*n,n)*C(9+2*n,4+n)=C(4,0)*C(9,4)=1*126=126

if n=7 then C(4+2*7,7)*C(9+2*7,4+7)=C(18,7)*C(23,11)=31824*1352078=43028530272

CROSSREFS

Sequence in context: A196414 A133499 A202398 * A008397 A202593 A086024

Adjacent sequences:  A113854 A113855 A113856 * A113858 A113859 A113860

KEYWORD

easy,nonn

AUTHOR

Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Feb 02 2006

EXTENSIONS

Rephrased definition. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 28 2008

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.