Number of length n+1 0..5 arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.
A250274
Number of length n+1 0..5 arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =6a(1) =48a(2) =140a(3) =1132a(4) =6732a(5) =51884a(6) =381812a(7) =2783500a(8) =19762916a(9) =135821156a(10) =901633552a(11) =5803821376a(12) =36474619144a(13) =225357234996
External references
- oeis: A250274