Number of 3Xn 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.
A283636
Number of 3Xn 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.
Terms
- a(0) =0a(1) =6a(2) =37a(3) =639a(4) =2875a(5) =21963a(6) =127635a(7) =693783a(8) =3852792a(9) =20064881a(10) =103580688a(11) =524492026a(12) =2611146243a(13) =12857829918a(14) =62584105607a(15) =301823257243
External references
- oeis: A283636