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Search: id:A104476
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| 330, 6336, 61776, 411840, 2123550, 9060480, 33372768, 109219968, 324246780, 886828800, 2261413440, 5427392256, 12352970916, 26829982080, 55895796000, 112183843200, 217706770710, 409800980160, 750266946000, 1339149240000
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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+7,7)*C(0+11,7)=C(7,7)*C(11,7)=1*330=330
a(7) : if n=7 then C(7+7,7)*C(7+11,7)=C(14,7)*(18,7)=3432*31824=109219968
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MATHEMATICA
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f[n_] := Binomial[n + 7, 7]*Binomial[n + 11, 7]; Table[ f[n], {n, 0, 19}] (from Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 20 2005)
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CROSSREFS
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Sequence in context: A064262 A126997 A027807 this_sequence A140908 A139657 A140000
Adjacent sequences: A104473 A104474 A104475 this_sequence A104477 A104478 A104479
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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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