login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A211800 Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2*w^2 < x^2 + y^2. 2

%I #10 Sep 10 2022 07:34:19

%S 0,3,13,32,64,113,181,272,388,535,713,926,1180,1475,1815,2204,2646,

%T 3141,3695,4312,4992,5741,6563,7460,8432,9485,10625,11850,13166,14579,

%U 16089,17696,19410,21233,23161,25204,27366,29647,32051,34580

%N Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2*w^2 < x^2 + y^2.

%C Row 2 of A211802; see A211790 for a discussion and guide to related sequences.

%t (See the program at A211802.)

%Y Cf. A211790, A211801, A211802.

%K nonn

%O 1,2

%A _Clark Kimberling_, Apr 22 2012

%E Definition corrected by _Georg Fischer_, Sep 10 2022

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)