Energy term Partitions of $N-2=7-2=5$ The Huby-Tong number of perturbation terms $-\Delta {E}_{5}〈V{P}^{2}V〉$ 5 14 $\Delta {E}_{1}\text{ }\Delta {E}_{4}〈V{P}^{3}V〉$ 1 4 5 $\Delta {E}_{4}\text{ }\Delta {E}_{1}〈V{P}^{3}V〉$ 4 1 5 $\Delta {E}_{3}\text{ }\Delta {E}_{2}〈V{P}^{3}V〉$ 3 2 2 $\Delta {E}_{2}\text{ }\Delta {E}_{3}〈V{P}^{3}V〉$ 2 3 2 $-\Delta {E}_{1}{\left(\Delta {E}_{2}\right)}^{2}〈V{P}^{4}V〉$ 1 2 2 1 $-\Delta {E}_{2}\text{ }\Delta {E}_{1}\text{ }\Delta {E}_{2}〈V{P}^{4}V〉$ 2 1 2 1 $-{\left(\Delta {E}_{2}\right)}^{2}\Delta {E}_{1}〈V{P}^{4}V〉$ 2 2 1 1 $-\Delta {E}_{3}{\left(\Delta {E}_{1}\right)}^{2}〈V{P}^{4}V〉$ 3 1 1 2 $-\Delta {E}_{1}\text{ }\Delta {E}_{3}\text{ }\Delta {E}_{1}〈V{P}^{4}V〉$ 1 3 1 2 $-{\left(\Delta {E}_{1}\right)}^{2}\Delta {E}_{3}〈V{P}^{4}V〉$ 1 1 3 2 ${\left(\Delta {E}_{1}\right)}^{3}\Delta {E}_{2}〈V{P}^{5}V〉$ 1 1 1 2 1 ${\left(\Delta {E}_{1}\right)}^{2}\Delta {E}_{2}\text{ }\Delta {E}_{1}〈V{P}^{5}V〉$ 1 1 2 1 1 $\Delta {E}_{1}\text{ }\Delta {E}_{2}{\left(\Delta {E}_{1}\right)}^{2}〈V{P}^{5}V〉$ 1 2 1 1 1 $\Delta {E}_{2}{\left(\Delta {E}_{1}\right)}^{3}〈V{P}^{5}V〉$ 2 1 1 1 1 $-{\left(\Delta {E}_{1}\right)}^{5}〈V{P}^{6}V〉$ 1 1 1 1 1 1 ${S}_{6}=42$