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A132796
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Second diagonal of Gely numbers.
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1
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0, 1, 0, 5, 6, 21, 36, 85, 162, 341, 672, 1365, 2718, 5461, 10908, 21845, 43674, 87381, 174744, 349525, 699030, 1398101, 2796180, 5592405, 11184786, 22369621, 44739216, 89478485, 178956942, 357913941, 715827852
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listen;
history;
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internal format)
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OFFSET
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0,4
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REFERENCES
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Charles 0. Gely, Un tableau de conversion des polynomes cyclotomiques cousin des nombres Euleriens, Preprint Univ. Paris 7, 1999.
Olivier Gérard, Quelques facons originales de compter les permutations, submitted to Knuth07.
Olivier Gérard and Karol Penson, Set partitions, Multiset permutations and bi-permutations, in preparation.
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LINKS
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FORMULA
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G(n,n-1)= Sum((-1)^j (n+1 choose j) ((n-1-j)^(n+1)-1)/(n-1-j-1= ), 0<=j<=n-1).
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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