Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 7 with exactly one descent.

A362194

Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 7 with exactly one descent.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =12a(5) =27a(6) =58a(7) =120a(8) =239a(9) =457a(10) =838a(11) =1475a(12) =2498a(13) =4083a(14) =6462a(15) =9934a(16) =14877a(17) =21761a(18) =31162a(19) =43777a(20) =60440a(21) =82139a(22) =110034a(23) =145476a(24) =190027a(25) =245481a(26) =313886a(27) =397567a(28) =499150a(29) =621587

External references