3086525014domain: NAppears in sequencesSmallest k such that k^2-1 is a squarefree number with n prime divisors. a(n) = A088027(n)^(1/2).at n=13A088028a(n) is the least number m sandwiched between m-1 and m+1, both with special properties as follows: both are squarefree; both have n distinct prime factors.at n=6A088077