Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 4 king-move adjacent elements, with upper left element zero.
A297920
Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 4 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =3a(1) =216a(2) =3276a(3) =41762a(4) =575754a(5) =7960069a(6) =109611795a(7) =1511726778a(8) =20851649928a(9) =287587925275
External references
- oeis: A297920