33034domain: NAppears in sequencesL.g.f.: Sum_{n>=1} (x - x^(2*n-1))^(2*n-1) / (2*n-1).at n=49A293597Squarefree numbers k for which Q(k) - 6*k/Pi^2 sets a new record minimum, where Q(x) is the number of squarefree numbers up to x.at n=27A339865