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Search: id:A165618
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| 0, 8, 44, 164, 494, 1286, 3002, 6434, 12869, 24309, 43757, 75581, 125969, 203489, 319769, 490313, 735470, 1081574, 1562274, 2220074, 3108104, 4292144, 5852924, 7888724, 10518299, 13884155, 18156203, 23535819, 30260339, 38608019, 48903491
(list; graph; listen)
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OFFSET
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0,2
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LINKS
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Barbarel Tres Mil, Binomial Matrix (I) partitions, Psychedelic Geometry Blogspot, 09/22/09
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FORMULA
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a(n)=binomial(n+8,8)-1=binomial(n+8,8)-1
a(n)=sum(r=1,r=n, binomial(8,r)*binomial(n,r))
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MATHEMATICA
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Table[ -1 + Binomial[n + 8, 8], {n, 0, 30}]
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CROSSREFS
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Cf. A000027, A000096, A062748, A063258, A062988, A124089, A124090, A035927
Sequence in context: A100583 A036464 A000938 this_sequence A059596 A005798 A092877
Adjacent sequences: A165615 A165616 A165617 this_sequence A165619 A165620 A165621
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KEYWORD
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nonn
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AUTHOR
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Barbarel Tres Mil (barbarel3000(AT)yahoo.es), Sep 22 2009
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