589134

Appears in sequences

• Numbers k such that 16 plus the k-th triangular number is a perfect square.at n=13A154146
• Number of nX3 0..3 arrays with exactly floor(nX3/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=6A222789
• T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=42A222794
• Number of 7Xn 0..3 arrays with exactly floor(7Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=2A222800