Number of (n+1)X5 0..1 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.
A204612
Number of (n+1)X5 0..1 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =335a(1) =3254a(2) =31805a(3) =313597a(4) =3084029a(5) =30487865a(6) =301345617a(7) =2981578169a(8) =29501363457a(9) =291960102793
External references
- oeis: A204612