148239

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 55.at n=6A031733
• a(n) = n*(5*n^2 - 3)/2.at n=39A063522
• A bisection of A063522.at n=19A160674
• Number of ways to arrange 4 indistinguishable points on an n X n X n triangular grid so that no four points are in the same row or diagonal.at n=8A194481