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Search: id:A105250
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| 1, 32, 360, 2400, 11550, 44352, 144144, 411840, 1061775, 2516800, 5562128, 11583936, 22926540, 43411200, 79070400, 139163904, 237557133, 394558560, 639331000, 1013012000, 1572701130, 2396496960, 3589794000, 5293080000
(list; graph; listen)
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OFFSET
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0,2
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EXAMPLE
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a(0) : if n=0 then C(0+3,0)*C(0+7,0)=C(3,0)*C(7,0)=1*1=1
a(10) : if n=10 then C(10+3,10)*C(10+7,10)=C(13,10)*(17,10)=286*19448==5562128
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MATHEMATICA
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f[n_] := Binomial[n + 3, n]Binomial[n + 7, n]; Table[ f[n], {n, 0, 23}] (from Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 20 2005)
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CROSSREFS
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Cf. A062264.
Sequence in context: A009797 A006763 A158074 this_sequence A055752 A125420 A163690
Adjacent sequences: A105247 A105248 A105249 this_sequence A105251 A105252 A105253
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KEYWORD
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easy,nonn
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AUTHOR
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Zerinvary Lajos (zlaja(AT)freemail.hu), Apr 14 2005
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 20 2005
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