Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.
A240393
Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =1a(1) =13a(2) =206a(3) =9075a(4) =263816a(5) =14958462a(6) =502139307a(7) =31597696508
External references
- oeis: A240393