196329domain: NAppears in sequencesa(n) = floor(n*phi^19), where phi is the golden ratio, A001622.at n=21A004934a(n) = round(n*phi^19), where phi is the golden ratio, A001622.at n=21A004954Expansion of Product_{k>=1} 1/(1 - x^(2*k-1))^(k*(3*k-1)/2).at n=22A294669