Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally, vertically or nw-to-se diagonally exactly one way.
A204602
Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally, vertically or nw-to-se diagonally exactly one way.
Terms
- a(0) =328845a(1) =741296a(2) =981914a(3) =5260434a(4) =43980907a(5) =327968423a(6) =2572437376a(7) =19830769591a(8) =145914949262
External references
- oeis: A204602