Number of 4Xn arrays containing n copies of 0..4-1 with no element 1 greater than its west or north neighbor modulo 4 and the upper left element equal to 0.
A266320
Number of 4Xn arrays containing n copies of 0..4-1 with no element 1 greater than its west or north neighbor modulo 4 and the upper left element equal to 0.
Terms
- a(0) =2a(1) =35a(2) =614a(3) =14757a(4) =389210a(5) =11164877a(6) =336050370a(7) =10471716466a(8) =334707045422
External references
- oeis: A266320