Number of n element 1..n arrays with each element the minimum of 6 adjacent elements of a permutation of 1..n+5 of n+5 elements.
A217889
Number of n element 1..n arrays with each element the minimum of 6 adjacent elements of a permutation of 1..n+5 of n+5 elements.
Terms
- a(0) =1a(1) =3a(2) =11a(3) =45a(4) =197a(5) =903a(6) =4278a(7) =20788a(8) =103050a(9) =519268a(10) =2653278a(11) =13725388
External references
- oeis: A217889