Number of (n+1)X3 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock equal to the number in all its horizontal and vertical neighbors.
A205049
Number of (n+1)X3 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock equal to the number in all its horizontal and vertical neighbors.
Terms
- a(0) =243a(1) =889a(2) =4171a(3) =19151a(4) =100761a(5) =515720a(6) =2789316a(7) =14729453a(8) =79584319a(9) =424134500a(10) =2284106734a(11) =12214870500a(12) =65649772252a(13) =351622627754
External references
- oeis: A205049