Number of (n+1) X 6 0..1 arrays with the determinants of 2 X 2 subblocks nondecreasing rightwards and downwards.
A204613
Number of (n+1) X 6 0..1 arrays with the determinants of 2 X 2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =907a(1) =14199a(2) =205117a(3) =3084029a(4) =45645661a(5) =681254361a(6) =10133992449a(7) =150976448169
External references
- oeis: A204613