231400

Appears in sequences

• a(n) = T(5,n), array T given by A048505.at n=11A048510
• Number of ways to place 2 nonattacking amazons (superqueens) on an n X n board.at n=26A172200
• Number of nX4 binary arrays without the pattern 1 1 0 diagonally, vertically or horizontally.at n=5A188518
• Number of nX6 binary arrays without the pattern 1 1 0 diagonally, vertically or horizontally.at n=3A188520
• T(n,k)=Number of nXk binary arrays without the pattern 1 1 0 diagonally, vertically or horizontally.at n=39A188523
• T(n,k)=Number of nXk binary arrays without the pattern 1 1 0 diagonally, vertically or horizontally.at n=41A188523
• Expansion of f(x^3, x^9) * f(x^6, x^6) / f(-x, -x^2) in powers of x where f(,) is Ramanujan's general theta function.at n=44A257655