Number of length n+1 0..6 arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.
A250275
Number of length n+1 0..6 arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =7a(1) =67a(2) =207a(3) =1991a(4) =14003a(5) =130335a(6) =1154141a(7) =10172515a(8) =86975297a(9) =715749943a(10) =5655832367a(11) =43083514447a(12) =318775210489
External references
- oeis: A250275