117500domain: NAppears in sequencesNumber of (w,x,y,z) with all terms in {1,...,n} and w*x+y*z>n^2.at n=34A212136Expansion of (Product_{k>0} (1 - x^k) / (1 - x^(5*k)))^5 in powers of x.at n=43A285932Expansion of Product_{k>=1} 1/(1 - x^k)^(k*(4*k^2-1)/3).at n=9A302449