290456

Appears in sequences

• Numerators of continued fraction convergents to sqrt(266).at n=6A041498
• a(n) is the index of the permutation of order n having the least sum of pairwise products as given by A026035.at n=7A102401
• Irregular table read by rows: T(n,k) is the number of k-gons, k>=3, formed in a square with edge length 1 by straight line segments when connecting the internal edge points that divide the sides into segments with lengths equal to the Farey series of order n to the equivalent points on the opposite side of the square.at n=33A359656