Number of length 6+1 0..n arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.
A250281
Number of length 6+1 0..n arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =64a(1) =843a(2) =4412a(3) =17885a(4) =51884a(5) =130335a(6) =281552a(7) =564985a(8) =1028832a(9) =1775463a(10) =2887804a(11) =4568929a(12) =6917108a(13) =10184331a(14) =14530168a(15) =20394445a(16) =27913864a(17) =37658171a(18) =49810736a(19) =65176853a(20) =83924392a(21) =106914955a(22) =134435648a(23) =168004421a(24) =207572064
External references
- oeis: A250281