proposed
approved
editing
Seiichi Manyama, <a href="/A320148/b320148.txt">Table of n, a(n) for n = 0..10000</a>
reviewed
Cf. A034896, A272364, A320146, A320147.
G.f.: theta_3(q)^2 * theta_3(q^3) * theta_3(q^6).
a(n) > 0 for n >= 0.