52260

Appears in sequences

• a(n) = Sum_{i=1..n} Sum_{j=1..i} (prime(i) - prime(j)).at n=40A062020
• Triangle T(n,k) read by rows: coefficient [x^(n-k+1)] of the Zwegers polynomial r_(n)(x), 1 <= k <= n.at n=18A210938
• Magic sums of 4 X 4 magic squares composed of odd squares.at n=31A271582
• Number of nX5 0..1 arrays with every element equal to 0, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=10A301903