Number of n X 3 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.
A240419
Number of n X 3 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =15a(1) =147a(2) =1161a(3) =7857a(4) =52711a(5) =347155a(6) =2331517a(7) =15537761a(8) =105095051a(9) =706172043a(10) =4789433693a(11) =32306879359a(12) =219223146831
External references
- oeis: A240419