Results 71 to 80 of about 119 (92)

A combinatorial proof of a result for permutation pairs

open access: yesOpen Mathematics, 2012
Mansour Toufik, Shattuck Mark
doaj   +1 more source

Secant tree calculus

open access: yesOpen Mathematics, 2014
Foata Dominique, Han Guo-Niu
doaj   +1 more source

Parity-alternating permutations and successions

open access: yesOpen Mathematics, 2014
Munagi Augustine
doaj   +1 more source

Compositions of n as alternating sequences of weakly increasing and strictly decreasing partitions

open access: yesOpen Mathematics, 2012
Blecher Aubrey   +2 more
doaj   +1 more source

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