Number of 2 X n 0..1 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.

A232048

Number of 2 X n 0..1 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.

Terms

    a(0) =4a(1) =7a(2) =15a(3) =34a(4) =79a(5) =184a(6) =426a(7) =984a(8) =2274a(9) =5258a(10) =12159a(11) =28117a(12) =65018a(13) =150347a(14) =347661a(15) =803931a(16) =1859013a(17) =4298789a(18) =9940535a(19) =22986529a(20) =53154136a(21) =122913828a(22) =284226412a(23) =657246261a(24) =1519818815a(25) =3514434954a(26) =8126793100a(27) =18792428087a(28) =43455684079

External references