Number of (n+1)X7 0..1 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.
A204614
Number of (n+1)X7 0..1 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =2470a(1) =62031a(2) =1322417a(3) =30487865a(4) =681254361a(5) =15468240213a(6) =349154906413
External references
- oeis: A204614