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A114251
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C(3+2*n,3+n)*C(8+2*n,0+n)
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0
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1, 50, 1386, 30576, 600600, 11027016, 193993800, 3316739712, 55588369122, 918398981500, 15013703965260, 243495727020000
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OFFSET
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0,2
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LINKS
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Table of n, a(n) for n=0..11.
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EXAMPLE
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if n=0 then C(3+2*0,3+0)*C(8+2*0,0+0)=C(3,3)*C(8,0)=1*1=1
if n=7 then C(3+2*7,3+7)*C(8+2*7,0+7)=C(17,10)*C(22,7)=19448*170544=3316739712
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CROSSREFS
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Cf. A062190.
Sequence in context: A162492 A017713 A140520 * A004351 A159177 A159176
Adjacent sequences: A114248 A114249 A114250 * A114252 A114253 A114254
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KEYWORD
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easy,nonn
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AUTHOR
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Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Feb 04 2006
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STATUS
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approved
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