Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
A237083
Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
Terms
- a(0) =256a(1) =912a(2) =3274a(3) =12590a(4) =48864a(5) =194812a(6) =782024a(7) =3181960a(8) =13011114a(9) =53658914a(10) =222083940a(11) =924917700a(12) =3861987068a(13) =16205498580a(14) =68129054026a(15) =287586729590
External references
- oeis: A237083