Number of nX7 0..1 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..1 introduced in row major order.
A204196
Number of nX7 0..1 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..1 introduced in row major order.
Terms
- a(0) =21a(1) =882a(2) =1724a(3) =9940a(4) =67169a(5) =461894a(6) =3162172a(7) =21906411a(8) =152100304a(9) =1053377463a(10) =7321279936a(11) =50893161901a(12) =353396805989
External references
- oeis: A204196