114954domain: NAppears in sequencesThe maximal coefficient of (1+x)*(1+x^4)*(1+x^9)*...*(1+x^(n^2)).at n=28A160235Numbers k such that k, k^2-1 and k^2+1 are all fine, where a number m is fine if its prime factors are all less than m^(1/3).at n=29A345896