54383

Appears in sequences

• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+457)^2 = y^2.at n=9A129642
• Number of chiral pairs of color patterns (set partitions) in a cycle of length n using exactly 6 colors (subsets).at n=11A320646
• Triangle read by rows: T(n,k) is the number of chiral pairs of cycles of length n (1) with a color pattern of exactly k colors or equivalently (2) partitioned into k nonempty subsets.at n=71A320647