Number of n X 5 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 neighboring 1's.
A296324
Number of n X 5 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 neighboring 1's.
Terms
- a(0) =1a(1) =15a(2) =54a(3) =185a(4) =853a(5) =3569a(6) =14691a(7) =62193a(8) =261763a(9) =1099727a(10) =4630135a(11) =19487541a(12) =82011553a(13) =345200748a(14) =1452975794a(15) =6115623192a(16) =25741334468a(17) =108348131766a(18) =456048653285
External references
- oeis: A296324