Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal.
A236980
Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal.
Terms
- a(0) =256a(1) =888a(2) =3000a(3) =11388a(4) =43096a(5) =171036a(6) =680872a(7) =2770540a(8) =11314280a(9) =46745212a(10) =193702392a(11) =808182812a(12) =3379755176a(13) =14195483212a(14) =59730878232a(15) =252065800108
External references
- oeis: A236980