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Table 6 For the specious randomness file based on a single 25-bit number system, the probability to get some value a, lower than the cumulative distribution function Eq. (19) is tabulated for different n-grams ≤25, using non-overlapping (column 2) and overlapping (column 3) counting of n-grams. We know that for \(n=1,5\) and 25, all n-grams occur equally frequently, therefore the sequence is skip-balanced for those n-values

From: Creating and detecting specious randomness

n

\(P(2^{n}-1,a\leq \chi ^{2}_{1})\) (non-overlapping)

\(P(2^{n}-1,a\leq \chi ^{2}_{2})\) (overlapping)

1

0

0

2

0.62

0.0061

3

0.020

0.000085

4

0.067

0.000000037

5

0

0.00000000010

6

0.37

<10−15

7

0.048

<10−15

8

0.012

<10−15

9

0.18

<10−15

10

<10−15

<10−15

11

0.010

<10−15

12

0.0026

<10−15

13

0.11

<10−15

14

0.000025

<10−15

15

<10−15

<10−15

16–25

<10−10

<10−15