Number of n X 3 0..1 arrays with every one equal to some NW, E or S neighbor.
A202901
Number of n X 3 0..1 arrays with every one equal to some NW, E or S neighbor.
Terms
- a(0) =1a(1) =14a(2) =93a(3) =494a(4) =2801a(5) =16062a(6) =91161a(7) =517646a(8) =2942681a(9) =16724094a(10) =95039817a(11) =540117614a(12) =3069530009a(13) =17444277726a(14) =99136698537a(15) =563399082830
External references
- oeis: A202901