3287610473

Appears in sequences

• Number of ways to reciprocally link elements of an nX6 array either to themselves or to exactly two horizontal, diagonal and antidiagonal neighbors, without consecutive collinear links.at n=6A220736
• Number of ways to reciprocally link elements of an 7 X n array either to themselves or to exactly two horizontal, diagonal and antidiagonal neighbors, without consecutive collinear links.at n=5A220744