Number of 5 X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 1 1 vertically.
A209226
Number of 5 X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 1 1 vertically.
Terms
- a(0) =13a(1) =169a(2) =234a(3) =324a(4) =900a(5) =2500a(6) =6900a(7) =19044a(8) =52992a(9) =147456a(10) =407808a(11) =1127844a(12) =3135024a(13) =8714304a(14) =24123744a(15) =66781584a(16) =185488056a(17) =515199204a(18) =1427114052a(19) =3953139876a(20) =10974405204a(21) =30466306116a(22) =84427202016a(23) =233961820416a(24) =649289325600
External references
- oeis: A209226