Number of (n+1) X (n+1) 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock differing from the number in all its horizontal and vertical neighbors.
A205064
Number of (n+1) X (n+1) 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock differing from the number in all its horizontal and vertical neighbors.
Terms
- a(0) =16a(1) =64a(2) =144a(3) =376a(4) =856a(5) =1984a(6) =4480a(7) =9856a(8) =22144a(9) =47104a(10) =105472a(11) =219136a(12) =489472a(13) =999424a(14) =2228224a(15) =4489216a(16) =9994240a(17) =19922944a(18) =44302336a(19) =87556096a(20) =194510848a(21) =381681664a(22) =847249408a(23) =1652555776a(24) =3665821696
External references
- oeis: A205064