Half the number of 0..5 arrays of length n+2 with second differences nonzero.

A212779

Half the number of 0..5 arrays of length n+2 with second differences nonzero.

Terms

    a(0) =99a(1) =546a(2) =3010a(3) =16594a(4) =91482a(5) =504337a(6) =2780392a(7) =15328203a(8) =84503842a(9) =465866699a(10) =2568306672a(11) =14158984054a(12) =78057979457a(13) =430330886291

External references