Number of permutations of {1,...,n} avoiding adjacent step pattern up, down, up, down, up.
A177529
Number of permutations of {1,...,n} avoiding adjacent step pattern up, down, up, down, up.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =120a(6) =659a(7) =4186a(8) =31457a(9) =264834a(10) =2465550a(11) =25334981a(12) =283322383a(13) =3430384284a(14) =44803783445a(15) =626719448981
External references
- oeis: A177529