Number of (n+1) X 6 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.
A206274
Number of (n+1) X 6 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) =19509a(1) =35922a(2) =133866a(3) =495858a(4) =2243139a(5) =8405508a(6) =33297948a(7) =125846844a(8) =520171458a(9) =2032882188a(10) =8441030760a(11) =32995135068a(12) =137694091206a(13) =538836368046
External references
- oeis: A206274