Number of nX1 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor.
A199126
Number of nX1 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =6a(5) =5a(6) =19a(7) =37a(8) =29a(9) =124a(10) =240a(11) =182a(12) =834a(13) =1614a(14) =1198a(15) =5746a(16) =11137a(17) =8142a(18) =40336a(19) =78332a(20) =56620a(21) =287358a(22) =559134a(23) =400598a(24) =2071558a(25) =4038130a(26) =2872754a(27) =15079270a(28) =29443040a(29) =20824778
External references
- oeis: A199126