Number of length n+2 0..5 arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.

A250317

Number of length n+2 0..5 arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.

Terms

    a(0) =18a(1) =200a(2) =436a(3) =3916a(4) =24126a(5) =197848a(6) =1559080a(7) =12424332a(8) =95711098a(9) =709795516a(10) =5002719434a(11) =33563203028

External references