56264domain: NAppears in sequencesExpansion of g.f. Product((1+x^i)/(1-x^i),i=1..n-1)/(1-x^n), with n = 6.at n=40A091774Numbers k such that k^2, (k+1)^2 and (k+2)^2 are all abundant numbers.at n=18A383391