n

0

1

2

3

4

S(n)

3

$\frac{\sqrt{7}}{2}$

$\frac{7}{2^2}$

$\frac{\sqrt{7}}{2}$

$\frac{3\times 7}{2^4}$

S(−n)

3

0

2³

$-\frac{3\cdot 2^3\sqrt{7}}{7}$

2⁵

n

5

6

7

8

9

S(n)

$\frac{7\sqrt{7}}{2^4}$

$\frac{5\times 7}{2^5}$

$\frac{7^2\sqrt{7}}{2^7}$

$\frac{5\times 7^2}{2^8}$

$\frac{25\times 7\sqrt{7}}{2^9}$

S(−n)

$-\frac{5\times 2^5\sqrt{7}}{7}$

$\frac{17\times 2^6}{7}$

$-2^7\sqrt{7}$

$\frac{11\times 2^9}{7}$

$-\frac{33\times 2^{10}\sqrt{7}}{7^2}$

n

10

11

12

13

14

S(n)

$\frac{9\times 7^2}{2^9}$

$\frac{13\times 7^2\sqrt{7}}{2^{11}}$

$\frac{33\times 7^2}{2^{11}}$

$\frac{3\times 7^2\sqrt{7}}{2^9}$

$\frac{5\times 7^4}{2^{14}}$