|
| |
|
|
A161555
|
|
Numerators of sequence of fractions of primes that minimize absolute value of difference between the fractions and 1/4. For n = 2, there are two primes available for use in numerator or denominator: 2,3. The best approximation to 1/4 is 2/3. Sequence begins at n = 2.
|
|
0
| |
|
|
2, 2, 2, 3, 3, 3, 5, 5, 7, 7, 7, 7, 11, 11, 13
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
EXAMPLE
| For n=2, there are two primes available to approximate 1/4. The closest fraction in absolute value is 2/3. The first few approximating fractions are: 2/3, 2/5, 2/7, 3/11, 3/13,...
|
|
|
CROSSREFS
| Sequence in context: A108711 A029059 A035449 * A029058 A046026 A139801
Adjacent sequences: A161552 A161553 A161554 * A161556 A161557 A161558
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Daniel Tisdale (daniel6874(AT)gmail.com), Jun 13 2009
|
| |
|
|
