The number of matchings on [2n] avoiding both patterns 12312 and 121323 with m crossings is equal towhich is a refinement of the super-Catalan numbers.

 
  • 通过运用Stanley的振荡杨表与避免12312模式的匹配之间的一一对应,我们刻划了对应于避免12312模式的匹配的振荡杨表。
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