Number of (n+1)X(6+1) 0..3 arrays with the sum of all four elements of every 2X2 subblock equal.

A237013

Number of (n+1)X(6+1) 0..3 arrays with the sum of all four elements of every 2X2 subblock equal.

Terms

    a(0) =61472a(1) =92328a(2) =149608a(3) =282048a(4) =566936a(5) =1274544a(6) =2995048a(7) =7603440a(8) =19947032a(9) =55347408a(10) =157602088a(11) =468497328a(12) =1423485656a(13) =4480816464a(14) =14392051048a(15) =47675263920a(16) =160980618392a(17) =558520484688

External references