login
This site is supported by donations to The OEIS Foundation.

 

Logo

"Email this user" was broken Aug 14 to 9am Aug 16. If you sent someone a message in this period, please send it again.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A079723 Triangle of denominators of numbers related to an approximation problem connected with Riemann hypothesis. 2
1, 1, 3, 1, 2, 3, 1, 2, 3, 5, 1, 2, 3, 5, 7, 1, 2, 3, 11, 5, 7, 1, 2, 13, 3, 11, 5, 7, 1, 2, 11, 3, 11, 5, 6, 7, 1, 2, 13, 3, 13, 5, 6, 7, 11, 1, 2, 13, 3, 13, 5, 6, 7, 10, 11 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

For each n there are n rational numbers f(n,i)/g(n,i) 1 <= i <= n; for g(n,i) see A079724 (see Link Table 4).

REFERENCES

Triangle of rationals starts:

1;

1, 1/3;

1, 1/2, 1/3;

1, 1/2, 1/3, 1/5;

1, 1/2, 1/3, 1/5, 1/7;

1, 1/2, 1/3, 3/11, 1/5, 1/7;

...

LINKS

Table of n, a(n) for n=1..55.

B. Landreau and F. Richard, Le critère de Beurling et Nyman pour l'hypothèse de Riemann: aspects numériques, Exper. Math., 11 (2002), 349-360.

CROSSREFS

Cf. A079722, A079724 (numerators).

Sequence in context: A288537 A167373 A079722 * A080511 A132399 A287616

Adjacent sequences:  A079720 A079721 A079722 * A079724 A079725 A079726

KEYWORD

nonn,frac,tabl

AUTHOR

N. J. A. Sloane, Feb 17 2003

EXTENSIONS

Definition corrected (was numerators) by Michel Marcus, Aug 10 2014

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified August 21 12:01 EDT 2017. Contains 290864 sequences.