Numbers of pattern-matching permutations of (1342) for the permutations of {1, 2, ..., n} on n = 4, 5, 6, ... elements.

A158006

Numbers of pattern-matching permutations of (1342) for the permutations of {1, 2, ..., n} on n = 4, 5, 6, ... elements.

Terms

    a(0) =1a(1) =17a(2) =208a(3) =2300a(4) =24835a(5) =271635a(6) =3073138a(7) =36441710a(8) =456786893a(9) =6082380509a(10) =86221730452

External references