Number of 3Xn 0..2 arrays with no element equal to more than one of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A281655
Number of 3Xn 0..2 arrays with no element equal to more than one of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =0a(1) =46a(2) =985a(3) =7986a(4) =67884a(5) =519656a(6) =3804074a(7) =27188104a(8) =190081944a(9) =1307551136a(10) =8883115770a(11) =59735869460a(12) =398338301812
External references
- oeis: A281655