Number of (n+1)X(5+1) 0..3 arrays with the sum of all four elements of every 2X2 subblock equal.
A237012
Number of (n+1)X(5+1) 0..3 arrays with the sum of all four elements of every 2X2 subblock equal.
Terms
- a(0) =18496a(1) =30248a(2) =53200a(3) =108824a(4) =235456a(5) =566936a(6) =1419088a(7) =3823352a(8) =10606336a(9) =31051928a(10) =93101200a(11) =291198584a(12) =929945536a(13) =3075627416a(14) =10363357648a(15) =35959849592a(16) =126791656576a(17) =457860358808
External references
- oeis: A237012