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Search: id:A114059
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| A114059 |
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A062190 formatted as a triangular array: triangle centered to right 3.column. |
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+0
1
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| 56, 1050, 16632, 252252, 3775200, 56316546, 840639800, 12575971408, 188663555808, 2838687761000, 42836302222560
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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C(3+2*n,n)*C(8+2*n,3+n)
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FORMULA
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C(3+2*n,n)*C(8+2*n,3+n)
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EXAMPLE
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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
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CROSSREFS
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Sequence in context: A105940 A008389 A008921 this_sequence A002009 A140901 A025597
Adjacent sequences: A114056 A114057 A114058 this_sequence A114060 A114061 A114062
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KEYWORD
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easy,nonn,uned
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AUTHOR
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Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Feb 02 2006
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