A006540 Denominators of worst case for Engel expansion. (Formerly M2398)

1, 3, 5, 7, 7, 13, 19, 23, 31, 47, 61, 71, 73, 121, 121, 121, 121, 121, 121, 242, 484, 661, 661, 661, 1093, 1753, 1807, 3053, 3613, 3613, 3613, 5461, 5461, 8011, 8011, 8011, 8011, 10081, 16381

Offset

0,2

References

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=0..38.

P. Erdős and Jeffrey Shallit, New bounds on the length of finite Pierce and Engel series, Sem. Theor. Nombres Bordeaux (2) 3 (1991), no. 1, 43-53.

Index entries for sequences related to Engel expansions

Crossrefs

Sequence in context: A297709 A242999 A098566 * A099726 A327096 A202664

Adjacent sequences: A006537 A006538 A006539 * A006541 A006542 A006543

Keyword

nonn

Author

Jeffrey Shallit

Status

approved