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Search: id:A132796
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| A132796 |
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Second diagonal of Gely numbers. |
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+0
2
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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
(list; graph; listen)
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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 Gerard, Quelques facons originales de compter les permutations, submitted to Knuth07.
Olivier Gerard and Karol Penson, Set partitions, Multiset permutations and bi-permutations, in preparation.
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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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Second diagonal of A132795.
Sequence in context: A060423 A037951 A095308 this_sequence A006492 A110344 A135301
Adjacent sequences: A132793 A132794 A132795 this_sequence A132797 A132798 A132799
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KEYWORD
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nonn,easy
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AUTHOR
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Olivier Gerard (olivier.gerard(AT)gmail.com), Aug 31, 2007
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