Number of nX7 0..1 arrays with no element equal to more than three of its king-move neighbors and with new values introduced in order 0 sequentially upwards.
A281343
Number of nX7 0..1 arrays with no element equal to more than three of its king-move neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =64a(1) =3281a(2) =4355a(3) =18189a(4) =60540a(5) =198619a(6) =639142a(7) =2039214a(8) =6489813a(9) =20683647a(10) =65987467a(11) =210970521a(12) =675532316a(13) =2165041339a(14) =6942289440a(15) =22270716585a(16) =71468916039a(17) =229423662632a(18) =736691206279
External references
- oeis: A281343