3453289
domain: N
Appears in sequences
- Numbers k such that 3*phi(k) = 2*sigma(k).at n=16A065818
- Number of vertices 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=10A359654