Number of (n+1) X 3 0..1 arrays with rows and columns of determinants of all 2 X 2 subblocks lexicographically nondecreasing.
A204794
Number of (n+1) X 3 0..1 arrays with rows and columns of determinants of all 2 X 2 subblocks lexicographically nondecreasing.
Terms
- a(0) =47a(1) =240a(2) =1001a(3) =4273a(4) =18550a(5) =81009a(6) =353975a(7) =1547377a(8) =6764879a(9) =29576797a(10) =129315563a(11) =565399369a(12) =2472075383a(13) =10808590261a(14) =47258158979a(15) =206625890401a(16) =903426368975
External references
- oeis: A204794