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A050161
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T(n,k)=S(2n+1,n-1,k-1), 0<=k<=n, n >= 0, array S as in A050157.
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0
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0, 1, 1, 3, 4, 5, 9, 14, 20, 21, 28, 48, 75, 83, 84, 90, 165, 275, 319, 329, 330, 297, 572, 1001, 1209, 1274, 1286, 1287, 1001, 2002, 3640, 4550, 4900, 4990, 5004, 5005, 3432, 7072, 13260, 17068, 18768, 19312, 19431, 19447
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OFFSET
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0,4
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LINKS
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FORMULA
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T(n, k)=Sum{t(n, j): 0<=j<=k}, array t as in A050153.
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EXAMPLE
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Rows: {0}; {1,1}; {3,4,5}; ...
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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