Number of permutations of 1..n+5 with the number moved left exceeding the number moved right by n or more.

A179580

Number of permutations of 1..n+5 with the number moved left exceeding the number moved right by n or more.

Terms

    a(0) =219a(1) =534a(2) =1236a(3) =2774a(4) =6109a(5) =13290a(6) =28670a(7) =61466a(8) =131135a(9) =278638a(10) =589992a(11) =1245422a(12) =2621761a(13) =5505442a(14) =11534866a(15) =24117906a(16) =50332451a(17) =104858566a(18) =218104956a(19) =452986182a(20) =939525669a(21) =1946158874a(22) =4026533926a(23) =8321501514a(24) =17179871879

External references