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Search: id:A119731
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| 1, 1, 1, 1, 2, 1, 1, 9, 9, 1, 1, 730, 1458, 730, 1, 1, 389017001, 3488380912, 3488380912, 389017001, 1
(list; table; graph; listen)
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OFFSET
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0,5
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FORMULA
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T(n,k) = T(n-1,k-1)^3 + T(n-1,k)^3 ; T(0,0) = 1 ; T(n,k) = 0 if k<0 or if k>n.
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EXAMPLE
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Triangle begins;
1;
1, 1;
1, 2, 1;
1, 9, 9, 1;
1, 730, 1458, 730, 1;
1, 389017001, 3488380912, 3488380912, 389017001, 1;
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CROSSREFS
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Cf. A007318.
Adjacent sequences: A119728 A119729 A119730 this_sequence A119732 A119733 A119734
Sequence in context: A141601 A108558 A128434 this_sequence A054768 A104251 A064307
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KEYWORD
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nonn,tabl
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AUTHOR
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Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Jun 14 2006
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