Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.
A241287
Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.
Terms
- a(0) =56a(1) =139a(2) =1615a(3) =6783a(4) =20717a(5) =451318a(6) =1543713a(7) =8288114a(8) =79113707a(9) =276340333a(10) =1878731208a(11) =14642190232a(12) =59010752583a(13) =404841299508
External references
- oeis: A241287