154448domain: NAppears in sequencesValues of n^2 - 1 resulting from A050795.at n=28A050799a(n) = sinh(2*arcsinh(n))^2 = 4*n^2*(n^2 + 1).at n=14A173116Numbers k such that k and k+1 both have the same number of squarefree divisors and powerful divisors.at n=35A360904