Number of nX5 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.
A204194
Number of nX5 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) =8a(1) =128a(2) =231a(3) =883a(4) =3716a(5) =15780a(6) =67169a(7) =286470a(8) =1221769a(9) =5217560a(10) =22265850a(11) =95057632a(12) =405842314a(13) =1732540170a(14) =7396709713a(15) =31579033671a(16) =134818081160a(17) =575577552695
External references
- oeis: A204194