Number of (4+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal.
A232593
Number of (4+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal.
Terms
- a(0) =6a(1) =456a(2) =122a(3) =6406a(4) =3002a(5) =93236a(6) =68072a(7) =1364998a(8) =1320362a(9) =20063788a(10) =24123134a(11) =296095446a(12) =423016306a(13) =4386696696a(14) =7216047494a(15) =65227876552a(16) =120687373030a(17) =973264614932
External references
- oeis: A232593