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Search: id:A110535
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| 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 1, 1, 2, 4, 4, 3, 1, 1, 3, 7, 7, 5, 3, 1, 1, 4, 13, 16, 12, 7, 3, 1, 1, 7, 27, 40, 34, 19, 9, 4, 1, 1, 11, 60, 105, 98, 61, 29, 11, 4, 1, 1, 17, 134, 287, 304, 205, 102, 41, 14, 4, 1, 1, 29, 308, 810, 982, 729, 387, 160, 55, 17, 5, 1
(list; table; graph; listen)
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OFFSET
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0,9
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COMMENT
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Correlation matrix is A110537. Row sums are A110536. The row sums of the inverse matrix may be A000007.
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FORMULA
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Number triangle T(n, k)=if(k<=n, ceiling(k^n/n^k), 0)
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EXAMPLE
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Rows begin
1;
1,1;
1,1,1;
1,1,2,1;
1,2,2,2,1;
1,2,4,4,3,1;
1,3,7,7,5,3,1;
1,4,13,16,12,7,3,1;
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CROSSREFS
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Sequence in context: A096492 A053874 A123245 this_sequence A033941 A053256 A102418
Adjacent sequences: A110532 A110533 A110534 this_sequence A110536 A110537 A110538
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KEYWORD
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easy,nonn,tabl
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Jul 25 2005
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