login
The OEIS is supported by the many generous donors to the OEIS Foundation.
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A031655
Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 67.
0
56218, 91285, 93106, 138505, 192013, 253234, 256261, 325189, 327473, 328618, 407405, 409961, 415097, 498877, 504541, 507385, 598058, 604258, 605813, 702869, 709589, 711274, 712961, 719729, 721426, 825193, 828829, 949517, 953417, 957325
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..30.
CROSSREFS
Sequence in context: A252320 A252020 A360188 * A203964 A198165 A244294
Adjacent sequences: A031652 A031653 A031654 * A031656 A031657 A031658
KEYWORD
nonn
AUTHOR
David W. Wilson
EXTENSIONS
First term 4490 removed by Georg Fischer, Jun 16 2019
STATUS
approved

Lookup Welcome Wiki Register Music Plot 2 Demos Index WebCam Contribute Format Style Sheet Transforms Superseeker Recents
The OEIS Community
Maintained by The OEIS Foundation Inc.
Last modified November 16 18:39 EST 2024. Contains 377800 sequences.
License Agreements, Terms of Use, Privacy Policy