A079723 Triangle of denominators of numbers related to an approximation problem connected with Riemann hypothesis.

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

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