Number of nX4 0..1 arrays with every element equal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A300111
Number of nX4 0..1 arrays with every element equal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =2a(1) =13a(2) =29a(3) =112a(4) =515a(5) =2713a(6) =12669a(7) =59569a(8) =295903a(9) =1439748a(10) =6946321a(11) =33748534a(12) =164163421a(13) =796809315a(14) =3867558936a(15) =18785049041a(16) =91228838297a(17) =442968357392
External references
- oeis: A300111