52542

Appears in sequences

• Numbers k such that both k and k^2/2 are averages of twin prime pairs.at n=31A152787
• Number of nX3 0..2 arrays with every repeated value in every row and column one larger mod 3 than the previous repeated value, and upper left element zero.at n=3A267948
• Number of nX4 0..2 arrays with every repeated value in every row and column one larger mod 3 than the previous repeated value, and upper left element zero.at n=2A267949
• T(n,k)=Number of nXk 0..2 arrays with every repeated value in every row and column one larger mod 3 than the previous repeated value, and upper left element zero.at n=17A267952
• T(n,k)=Number of nXk 0..2 arrays with every repeated value in every row and column one larger mod 3 than the previous repeated value, and upper left element zero.at n=18A267952