Number of (n+1) X 5 0..2 arrays with no 2 X 2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases in its adjacent leftward or upward neighbors.
A206273
Number of (n+1) X 5 0..2 arrays with no 2 X 2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases in its adjacent leftward or upward neighbors.
Terms
- a(0) =4884a(1) =11205a(2) =39306a(3) =145824a(4) =495858a(5) =1824315a(6) =6254364a(7) =22950822a(8) =80340090a(9) =297576123a(10) =1049291592a(11) =3857539692a(12) =13593707712a(13) =50108727009a(14) =177035467728a(15) =652290312486
External references
- oeis: A206273