167280
domain: N
Appears in sequences
- Number of compositions of n(n^2+1)/2 into n distinct parts each no more than n^2.at n=5A100568
- Number of curved edges among all distinct circles that can be constructed from the 3 vertices and the equally spaced 3*n points placed on the sides of an equilateral triangle when every pair of the 3 + 3*n points are connected by a circle and where the points lie at the ends of the circle's diameter.at n=9A372733