Number of nX4 0..3 arrays with no element equal to the sum of elements to its left or the sum of elements above it or the sum of the elements diagonally to its northwest or the sum of the elements antidiagonally to its northeast, modulo 4.
A240246
Number of nX4 0..3 arrays with no element equal to the sum of elements to its left or the sum of elements above it or the sum of the elements diagonally to its northwest or the sum of the elements antidiagonally to its northeast, modulo 4.
Terms
- a(0) =32a(1) =40a(2) =162a(3) =536a(4) =2152a(5) =8564a(6) =29708a(7) =111370a(8) =400694a(9) =1443716a(10) =5245262a(11) =18986530a(12) =68603920a(13) =248537998a(14) =898915650a(15) =3253662010a(16) =11773735742a(17) =42605917762a(18) =154179401186a(19) =557950544122
External references
- oeis: A240246