Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 6 with exactly one descent.

A362193

Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 6 with exactly one descent.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =12a(5) =27a(6) =57a(7) =113a(8) =211a(9) =373a(10) =628a(11) =1013a(12) =1574a(13) =2367a(14) =3459a(15) =4929a(16) =6869a(17) =9385a(18) =12598a(19) =16645a(20) =21680a(21) =27875a(22) =35421a(23) =44529a(24) =55431a(25) =68381a(26) =83656a(27) =101557a(28) =122410a(29) =146567

External references