Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 10 with exactly one descent.

A362197

Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 10 with exactly one descent.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =12a(5) =27a(6) =58a(7) =121a(8) =248a(9) =503a(10) =1013a(11) =2025a(12) =4005a(13) =7801a(14) =14899a(15) =27809a(16) =50627a(17) =89829a(18) =155364a(19) =262125a(20) =431890a(21) =695839a(22) =1097768a(23) =1698137a(24) =2579106a(25) =3850731a(26) =5658511a(27) =8192497a(28) =11698195a(29) =16489517

External references