174447

Appears in sequences

• The Wiener index of the meta-polyphenyl chain with n hexagons (see the Dou et al. and the Deng references).at n=20A216110
• Number of nX4 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.at n=4A283780
• T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.at n=32A283784
• Number of 5Xn 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.at n=3A283788