login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A020365 Numbers k such that the continued fraction for sqrt(k) has period 26. 0
211, 214, 244, 301, 309, 358, 547, 553, 614, 628, 749, 835, 856, 1019, 1029, 1030, 1046, 1075, 1124, 1137, 1159, 1161, 1171, 1192, 1222, 1236, 1259, 1268, 1270, 1283, 1331, 1458, 1498, 1577, 1622, 1645, 1673, 1702, 1737, 1744, 1779, 1899, 1905, 1926, 1945 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

MATHEMATICA

Select[Range[2000], Length[ContinuedFraction[Sqrt[#]][[2]]] == 26 &] (* Alonso del Arte, Jun 26 2018 *)

CROSSREFS

Sequence in context: A114442 A037272 A013530 * A031780 A036232 A064826

Adjacent sequences:  A020362 A020363 A020364 * A020366 A020367 A020368

KEYWORD

nonn

AUTHOR

David W. Wilson

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 27 21:53 EDT 2021. Contains 348290 sequences. (Running on oeis4.)