465817912560
domain: N
Appears in sequences
- Least number m such that integer part of sigma(m)/phi(m) equals n.at n=34A070033
- a(n) = (6*n)!/((3*n)!*(2*n)!*n!).at n=5A113424
- a(n) = denominator of sum{k=1 to n} 1/A127515(k).at n=28A127517
- Denominators of partial sums of the alternating series of inverse central binomial coefficients.at n=14A145556
- m such that the integer part of sigma(m)/phi(m) is not attained by any integer less than m.at n=34A216920
- a(n) = the smallest number k such that sigma(k) / phi(k) >= n.at n=34A291185
- a(n) = n!/(floor(n/2)!*floor(n/3)!*floor(n/6)!).at n=30A347304
- a(n) is the minimal number z having the largest number of solutions to the Diophantine equation 1/z = 1/x + 1/y such that 1 <= x <= y <= 10^n.at n=12A352881