95580domain: NAppears in sequencesa(n) = floor(1/(n-1) * Sum_{k=1..n-1} a(k)^(n/k)), given a(0)=1, a(1)=3, a(2)=7.at n=11A079120Number of 11-almost primes 11ap such that 2^n < 11ap <= 2^(n+1).at n=25A120042Numbers such that the decimal digits of sigma(n) are a permutation of those of sigma(n)-n.at n=32A277114