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A114059 A062190 formatted as a triangular array: triangle centered to right 3.column. 0
56, 1050, 16632, 252252, 3775200, 56316546, 840639800, 12575971408, 188663555808, 2838687761000, 42836302222560 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

C(3+2*n,n)*C(8+2*n,3+n)

LINKS

Table of n, a(n) for n=0..10.

FORMULA

C(3+2*n,n)*C(8+2*n,3+n)

EXAMPLE

if n=0 then C(3+2*0,0)*C(8+2*0,3+0)=c(3,0)*C(8,3)=1*56=56

if n=10 then C(3+2*10,10)*C(8+2*10,3+10)=C(23,10)*C(28,13)=1144066*37442160=42836302222560

CROSSREFS

Sequence in context: A251432 A243206 A278675 * A221802 A219583 A002009

Adjacent sequences:  A114056 A114057 A114058 * A114060 A114061 A114062

KEYWORD

easy,nonn,uned

AUTHOR

Zerinvary Lajos, Feb 02 2006

STATUS

approved

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Last modified February 16 18:53 EST 2019. Contains 320165 sequences. (Running on oeis4.)