205416

Appears in sequences

• Consider 3 X 3 X 3 Rubik cube, but consider only positions of corners; sequence gives number of positions that are exactly n moves from the start.at n=5A080629
• Number of reduced 3 X 3 semimagic squares with distinct nonnegative integer entries and maximum entry n.at n=30A173727
• Number of (n+1) X 2 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=6A206087
• Number of (n+1) X 8 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=0A206093
• T(n,k) = number of (n+1) X (k+1) 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=21A206094
• T(n,k) = number of (n+1) X (k+1) 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=27A206094
• Expansion of g.f. A(x) = Sum_{n>=0} d^n/dx^n x^(2*n) * (1 + x)^(3*n) / n!.at n=7A361303