1/4 the number of (n+1) X 5 binary arrays with equal numbers of 2 X 2 subblocks with sums 1 and 3.
A184599
1/4 the number of (n+1) X 5 binary arrays with equal numbers of 2 X 2 subblocks with sums 1 and 3.
Terms
- a(0) =58a(1) =1123a(2) =28192a(3) =782948a(4) =22581061a(5) =661355087a(6) =19597196907a(7) =586441134417
External references
- oeis: A184599