Number of 2 X n 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A279581
Number of 2 X n 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =0a(1) =4a(2) =36a(3) =304a(4) =2212a(5) =15428a(6) =103648a(7) =680052a(8) =4380964a(9) =27829504a(10) =174806900a(11) =1087994628a(12) =6720111376a(13) =41240210276a(14) =251687871332
External references
- oeis: A279581