“n”

E_n+1

0

E₁ = 10!NP₁c₁ = 3,628,800NP₁c₁

1

E₂ = 1,814,400(N²/81 + 8N/9)2P₂c₂

2

E₃ = 604,800(4N²/81 + 7N/9)3P₃c₃

3

E₄ = 151,200(N²/9 + 2N/3)4P₄c₄

4

E₅ = 30,240(16N²/81 + 5N/9)5P₅c₅

5

E₆ = 5,040(25N²/81 + 4N/9)6P₆c₆

6

E₇ = 720(12N²/27 + N/3)7P₇c₇

7

E₈ = 90(49N²/81 + 2N/9)8P₈c₈

8

E₉ = 10(64N²/81 + N/9)9P₉c₉

9

E₁₀ = N²10P₁₀c₁₀