Number of 4Xn arrays containing n copies of 0..4-1 with no element 1 greater than its north neighbor modulo 4 and the upper left element equal to 0.
A266457
Number of 4Xn arrays containing n copies of 0..4-1 with no element 1 greater than its north neighbor modulo 4 and the upper left element equal to 0.
Terms
- a(0) =2a(1) =101a(2) =6152a(3) =442285a(4) =34667512a(5) =2875874396a(6) =248188720768
External references
- oeis: A266457