503607

Appears in sequences

• Equals one maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..1 nX4 array.at n=6A220973
• Equals one maps: number of nX7 binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..1 nX7 array.at n=3A220976
• T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..1 nXk array.at n=48A220977
• Expansion of (1/x) * Series_Reversion( x / (1+x)^3 * (1-x^3)^3 ).at n=8A369403