91192

Appears in sequences

• Numerator of (1^2/n + 2^2/(n-1) + ... + k^2/(n-k+1) + ... + (n-1)^2/2 + n^2/1).at n=10A119389
• Positions at which the sum of the digits of e up to that point equals the sum of the digits of Pi up to that point.at n=24A131660
• The number of distinct straightedge-and-compass constructions that can be made with no lines and n circles.at n=6A383083
• Triangle read by rows: T(n,k) is the number of ruler-and-compass constructions consisting of n-k lines and k circles with 0 <= k <= n.at n=27A383273