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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A031786 Period of continued fraction for sqrt(n) contains exactly 18 ones. 0
244, 508, 556, 619, 631, 652, 694, 769, 772, 796, 811, 823, 844, 907, 964, 974, 1057, 1063, 1069, 1198, 1481, 1648, 1660, 1777, 1786, 1809, 1816, 1819, 1852, 1964, 1990, 2009, 2017, 2041, 2049, 2076, 2084, 2086, 2092, 2129, 2276, 2339, 2353, 2356, 2404 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Sequence in context: A044987 A201998 A234262 * A328206 A135409 A203349

Adjacent sequences:  A031783 A031784 A031785 * A031787 A031788 A031789

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 December 5 11:47 EST 2021. Contains 349557 sequences. (Running on oeis4.)