m

0

1

2

3

4

5

6

$\left(m+1\right)\left(2m\right)!/{\left(m!\right)}^4$

1.000

4.00

4.500

2.222

0.608

0.105

0.012

m

7

8

9

10

11

12

13

$\left(m+1\right)\left(2m\right)!/{\left(m!\right)}^4$

1.1 × 10⁻³

7.1 × 10⁻⁵

3.7 × 10⁻⁶

1.5 × 10⁻⁷

5.3 × 10⁻⁹

1.5 × 10⁻¹⁰

3.8 × 10⁻¹²