a = 2/1: own values n <= 200 equal to the recorded file Q_a2_1_n200.txt: True
all Q_n > 0 for n <= 200: True
extrapolant at n=200: 19.79784421; conjectured growth rate 19.79795897; relative gap -5.8e-6
Q_n <= G^n for n <= 200 (40 digits): True
