Number of n X 3 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1.
A285025
Number of n X 3 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1.
Terms
- a(0) =1a(1) =6a(2) =97a(3) =442a(4) =4892a(5) =26226a(6) =256732a(7) =1544872a(8) =14082710a(9) =91677088a(10) =797188437a(11) =5483647480a(12) =46175013577a(13) =330178554834
External references
- oeis: A285025