27726
domain: N
Appears in sequences
- a(n) = 10000*log(n) rounded to nearest integer.at n=15A004244
- a(n) = ceiling(10000*log(n)).at n=15A004245
- Barely abundant numbers: abundant n such that sigma(n)/n < sigma(m)/m for all abundant numbers m<n, sigma(n) being the sum of the divisors of n.at n=32A071927
- a(n) = prime(n+1)^2 - prime(n).at n=37A261465