Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
A299563
Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =2a(1) =52a(2) =222a(3) =965a(4) =4342a(5) =20044a(6) =91193a(7) =417122a(8) =1909312a(9) =8734151a(10) =39947749a(11) =182768322a(12) =836122108a(13) =3824998985a(14) =17498582229a(15) =80052385791a(16) =366221432011
External references
- oeis: A299563