a(n) is the number of permutations of size n ending with n whose n left-to-right maxima are consecutive and nonadjacent.
A374162
a(n) is the number of permutations of size n ending with n whose n left-to-right maxima are consecutive and nonadjacent.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =2a(4) =8a(5) =36a(6) =198a(7) =1272a(8) =9384a(9) =78240a(10) =728040a(11) =7482960a(12) =84224160a(13) =1030569120a(14) =13623366960a(15) =193515477120
External references
- oeis: A374162