Number of n X 3 binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.
A269070
Number of n X 3 binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.
Terms
- a(0) =7a(1) =27a(2) =123a(3) =537a(4) =2343a(5) =10167a(6) =43959a(7) =189465a(8) =814359a(9) =3491691a(10) =14937987a(11) =63778065a(12) =271799175a(13) =1156345287a(14) =4911870063a(15) =20834207313a(16) =88251723687a(17) =373358554971
External references
- oeis: A269070