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A049061 Triangle a(n,k) (1<=k<=n) of "signed Eulerian numbers" read by rows. +0
5
1, 1, -1, 1, 0, -1, 1, -1, -1, 1, 1, 2, -6, 2, 1, 1, 1, -8, 8, -1, -1, 1, 8, -19, 0, 19, -8, -1, 1, 7, -27, 19, 19, -27, 7, 1, 1, 22, -32, -86, 190, -86, -32, 22, 1, 1, 21, -54, -54, 276, -276, 54, 54, -21, -1, 1, 52, 27, -648, 1002, 0, -1002, 648, -27, -52, -1, 1, 51, -25 (list; table; graph; listen)
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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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