ニシキヘビ

p=13
G1=[euler_phi(p^a) for a in range(1,10)];
G2=[euler_phi(2*p^a) for a in range(1,10)];
print G1, G2
#G1=[12, 156, 2028, 26364, 342732, 4455516, 57921708, 752982204, 9788768652]
#G2=[12, 156, 2028, 26364, 342732, 4455516, 57921708, 752982204, 9788768652]