Number of 0..7 arrays x(0..n+1) of n+2 elements without any two consecutive increases or two consecutive decreases.

A200837

Number of 0..7 arrays x(0..n+1) of n+2 elements without any two consecutive increases or two consecutive decreases.

Terms

    a(0) =400a(1) =2444a(2) =15128a(3) =93472a(4) =577660a(5) =3570086a(6) =22063924a(7) =136360286a(8) =842739040a(9) =5208328180a(10) =32188710564a(11) =198933910242

External references