|
Search: id:A091716
|
|
|
| A091716 |
|
Standard deviation (rounded) of primes below 10^n. |
|
+0
3
|
| |
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
It appears that a good estimate for the standard deviation of primes below 10^(n+1) is about 10 times the term for 10^n
|
|
REFERENCES
|
John E. Freund, Modern elementary statistics, 5th ed. (Prentice-Hall, 1979), pp. 42-47
|
|
EXAMPLE
|
a(6)=292821 (rounded from 292820.634) because this is the computed standard deviation of the 78498 primes below 10^6
|
|
CROSSREFS
|
Cf. A092800, A092801, A092802.
Adjacent sequences: A091713 A091714 A091715 this_sequence A091717 A091718 A091719
Sequence in context: A077023 A101750 A088615 this_sequence A094940 A104535 A013517
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Enoch Haga (Enokh(AT)comcast.net), Mar 05 2004
|
|
|
Search completed in 0.002 seconds
|
