Number of length n+1 0..4 arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.
A250273
Number of length n+1 0..4 arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =5a(1) =33a(2) =89a(3) =581a(4) =2909a(5) =17885a(6) =107387a(7) =636197a(8) =3664311a(9) =20397261a(10) =110088763a(11) =579849133a(12) =3000181901a(13) =15332918889a(14) =77721061539a(15) =391879647949
External references
- oeis: A250273