58900

Appears in sequences

• 15-gonal (or pentadecagonal) pyramidal numbers: a(n) = n*(n+1)*(13*n-10)/6.at n=30A177890
• Number of n X n symmetric (0,1)-matrices containing four ones.at n=19A185355
• Number of partitions of n for which (number of occurrences of the least part) > (number of occurrences of greatest part).at n=43A236544
• Central terms of triangle A103284.at n=10A257641
• (1/4) * number of ways to select 3 distinct collinear points from a square of grid points with side length n.at n=22A320540