Half the number of nXnXn triangular binary arrays with no array-nonaligned 2X2X2 subtriangle being all zero or all one.
A183279
Half the number of nXnXn triangular binary arrays with no array-nonaligned 2X2X2 subtriangle being all zero or all one.
Terms
- a(0) =1a(1) =4a(2) =24a(3) =216a(4) =2808a(5) =51840a(6) =1347192a(7) =49029624a(8) =2490765552a(9) =176234338656
External references
- oeis: A183279