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A105252
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C(n+5,n)*C(n+9,n).
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0
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1, 60, 1155, 12320, 90090, 504504, 2312310, 9060480, 31286970, 97337240, 277411134, 733649280, 1818838840, 4261894560, 9502285320, 20271542016, 41572498275, 82281899700, 157706974425, 293570877600, 532097215650
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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EXAMPLE
| a(0) : if n=0 then C(0+5,0)*C(0+9,0)=C(5,0)*C(9,0)=1*1=1
a(10) : if n=10 then C(10+5,10)*C(10+9,10)=C(15,10)*(19,10)=3003*92378=277411134
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MATHEMATICA
| f[n_] := Binomial[n + 5, n]Binomial[n + 9, n]; Table[ f[n], {n, 0, 20}] (from Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 20 2005)
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CROSSREFS
| Sequence in context: A189607 A056352 A056346 * A146347 A054331 A160349
Adjacent sequences: A105249 A105250 A105251 * A105253 A105254 A105255
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KEYWORD
| easy,nonn
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AUTHOR
| Zerinvary Lajos (zlaja(AT)freemail.hu), Apr 14 2005
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EXTENSIONS
| More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 20 2005
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