English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

We use the Robinson-Schensted correspondence, followed by symbol-crunching,in order to derive explicit expressions for the quantities mentioned in thetitle. We follow it by number crunching, in order to compute the first terms ofthese sequences. As an encore, we cleverly implement Ira Gessel's celebrateddeterminant formula for the generating functions of these sequences, to crankout many terms.  This modest tribute is dedicated to one of the greatest enumerators alivetoday (and definitely the most modest one!), Ira Martin Gessel, who is turning64 years-old today

The number of 1...d-avoiding permutations of length d+r for SYMBOLIC d but numeric r