Number of permutations of length n containing exactly 1 occurrence of the pattern 1324.
A238987
Number of permutations of length n containing exactly 1 occurrence of the pattern 1324.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =10a(5) =75a(6) =522a(7) =3579a(8) =24670a(9) =172198a(10) =1219974a(11) =8776255a(12) =64082132a(13) =474605417a(14) =3562460562a(15) =27079243352a(16) =208281537572
External references
- oeis: A238987