Number of n X 3 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.
A269047
Number of n X 3 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.
Terms
- a(0) =24a(1) =102a(2) =594a(3) =3258a(4) =17346a(5) =90450a(6) =464250a(7) =2353338a(8) =11809746a(9) =58773858a(10) =290465706a(11) =1426996746a(12) =6974700162a(13) =33938314674a(14) =164494914138a(15) =794524032090
External references
- oeis: A269047