1979713

Properties

Appears in sequences

• Expansion of g.f. 1/((1 - 7x)*(1 - 9x)).at n=6A016178
• 8th binomial transform of (0,1,0,1,0,1,....), A000035.at n=7A081202
• Square table T(n, d) read by antidiagonals: number of ways to place 2 nonattacking kings on an n^d (n X n X ...) raumschach board (hypercubical chessboard).at n=42A194604
• a(n) = ((n+1)^(n-1) - (n-1)^(n-1))/2 for n>=1.at n=8A274278
• Number of integer solutions to (x_1)^2 + (x_2)^2 + ... + (x_8)^2 <= n.at n=26A341397
• Prime numbersat n=147512