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Search: id:A104474
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| 35, 224, 840, 2400, 5775, 12320, 24024, 43680, 75075, 123200, 194480, 297024, 440895, 638400, 904400, 1256640, 1716099, 2307360, 3059000, 4004000, 5180175, 6630624, 8404200, 10556000, 13147875, 16248960, 19936224, 24295040, 29419775
(list; graph; listen)
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OFFSET
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0,1
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EXAMPLE
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a(0) : if n=0 then C(0+3,3)*C(0+7,3)=C(3,3)*C(7,3)=1*35=35
a(7) : if n=7 then C(7+3,3)*C(7+7,3)=C(10,3)*(14,3)=120*364=43680
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MATHEMATICA
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f[n_] := Binomial[n + 3, 3]Binomial[n + 7, 3]; Table[ f[n], {n, 0, 28}] (from Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 20 2005)
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CROSSREFS
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Sequence in context: A101628 A064013 A020262 this_sequence A068722 A113941 A067238
Adjacent sequences: A104471 A104472 A104473 this_sequence A104475 A104476 A104477
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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 18 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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