125160
domain: N
Appears in sequences
- Smallest number having exactly n divisors that are not greater than the number's greatest prime factor.at n=27A087134
- The number of strong vertex magic total labelings of all 2-regular simple graphs on 2n+1 vertices.at n=6A177742
- G.f.: Sum_{n>=0} x^n * Sum_{k=0..n} binomial(n,k)^2 * x^k*(2-x)^(n-k).at n=11A217616
- Number of distinct lines passing through at least two points in a triangular grid of side n.at n=36A244504
- Triangle of coefficients T(n,k) of x^n*y^k in g.f. A(x,y) satisfying y = Sum_{n=-oo..+oo} (-1)^n * x^n * (y*A(x,y) + x^(n-1))^(n+1).at n=61A359670
- Smallest number whose largest odd noncomposite divisor is its n-th divisor.at n=27A384232