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Search: id:A104676
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| 21, 84, 216, 450, 825, 1386, 2184, 3276, 4725, 6600, 8976, 11934, 15561
(list; graph; listen)
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OFFSET
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0,1
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EXAMPLE
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If n=0 then C(0+2,0+0)*C(0+7,2)= C(2,0)*C(7,2)=1*21=21
If n=8 then C(8+2,8+0)*C(8+7,2)= C(10,8)*C(15,2)=45*105=4725
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CROSSREFS
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Cf. A062190.
Sequence in context: A159743 A071397 A064762 this_sequence A143244 A041856 A044208
Adjacent sequences: A104673 A104674 A104675 this_sequence A104677 A104678 A104679
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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 22 2005
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