Number of n X 2 0..2 arrays with every repeated value in every row and column greater than or equal to the previous repeated value.
A268014
Number of n X 2 0..2 arrays with every repeated value in every row and column greater than or equal to the previous repeated value.
Terms
- a(0) =9a(1) =81a(2) =729a(3) =6084a(4) =49284a(5) =386884a(6) =2965284a(7) =22268961a(8) =164378041a(9) =1195430625a(10) =8581613769a(11) =60904316944a(12) =427872974400
External references
- oeis: A268014