69023

Appears in sequences

• Eight white kings and one red king on a 3 X 3 chessboard. G.f.: (1 + 4*x)/(1 - 3*x - 8*x^2).at n=7A179599
• Number of nX4 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to at least one horizontal or vertical neighbor.at n=4A199586
• Number of n X 5 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to at least one horizontal or vertical neighbor.at n=3A199587
• T(n,k)=Number of nXk 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to at least one horizontal or vertical neighbor.at n=31A199588
• T(n,k)=Number of nXk 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to at least one horizontal or vertical neighbor.at n=32A199588
• Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the minimum of every 2X2 subblock equal.at n=2A238174
• Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the minimum of every 2X2 subblock equal.at n=1A238175
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the minimum of every 2X2 subblock equal.at n=7A238180
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the minimum of every 2X2 subblock equal.at n=8A238180
• Numbers k such that k and k+1 are both divisible by the total binary weight of their divisors (A093653).at n=27A338514