727214

Appears in sequences

• Number of nX2 0..2 arrays with exactly floor(nX2/2) elements equal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order.at n=8A222913
• Number of connected induced subgraphs of the 1-skeleton of the n-th Johnson solid, up to symmetries of that solid.at n=31A384377