Number of nX4 0..1 arrays with every element equal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
A298066
Number of nX4 0..1 arrays with every element equal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =5a(2) =13a(3) =59a(4) =346a(5) =2197a(6) =13350a(7) =84657a(8) =529728a(9) =3332184a(10) =20964122a(11) =131877463a(12) =829756630a(13) =5220895754a(14) =32849496926a(15) =206690481993
External references
- oeis: A298066