Number of 7Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.
A240399
Number of 7Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =8a(1) =1184a(2) =48826a(3) =1314136a(4) =27938412a(5) =502139307a(6) =8505203924a(7) =129986039476
External references
- oeis: A240399