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!)
A031778 Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 100. 1

%I

%S 2501,10002,22503,40004,62505,90006,122507,160008,202509,250010,

%T 302511,360012,422513,490014,562515,640016,722517,810018,902519,

%U 1000020,1102521,1210022,1322523,1440024,1562525,1690026,1822527,1960028,2102529,2250030

%N Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 100.

%C (50*m)^2 + m for m >= 1 are terms of this sequence (see comment in A031712). The term 26020302 is not of this form. - _Chai Wah Wu_, Jun 19 2016

%H Chai Wah Wu, <a href="/A031778/b031778.txt">Table of n, a(n) for n = 1..10000</a>

%K nonn

%O 1,1

%A _David W. Wilson_

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 September 25 09:32 EDT 2021. Contains 347654 sequences. (Running on oeis4.)