Number of 7Xn 0..2 arrays with row sums equal and column sums unequal to adjacent columns.
A203497
Number of 7Xn 0..2 arrays with row sums equal and column sums unequal to adjacent columns.
Terms
- a(0) =3a(1) =2050a(2) =1107888a(3) =1004305424
External references
- oeis: A203497