Number of 4 X n 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
A281472
Number of 4 X n 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =8a(1) =81a(2) =60a(3) =96a(4) =130a(5) =176a(6) =260a(7) =406a(8) =636a(9) =996a(10) =1586a(11) =2552a(12) =4108a(13) =6614a(14) =10676a(15) =17260a(16) =27906a(17) =45120a(18) =72980a(19) =118070a(20) =191020a(21) =309044a(22) =500018a(23) =809032a(24) =1309020a(25) =2118006a(26) =3426980a(27) =5544956a(28) =8971906a(29) =14516816
External references
- oeis: A281472