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!)
A184399 Ranks of (odd i)+(odd j)*r, when all i+j*r are ranked;   r=sqrt(2), i>=0, j>=0. 6

%I

%S 5,12,15,21,26,31,33,39,46,48,52,55,63,66,71,74,79,83,87,92,96,102,

%T 106,110,112,116,121,127,132,137,139,143,148,150,155,161,166,168,173,

%U 179,181,186,192,194,198,200,206,212,214,220,227,229,233,235,241,244,248,250,257

%N Ranks of (odd i)+(odd j)*r, when all i+j*r are ranked; r=sqrt(2), i>=0, j>=0.

%e Writing (i,j) for i+j*r, the first 7 in the ranking are (0,0), (1,0), (0,1), (2,0), (1,1), (0,2), (3,0); the rank where i and j are both odd is 5.

%Y Cf. A184397, A184398, A184400, A184401, A184402, A184403.

%K nonn

%O 1,1

%A _Clark Kimberling_, Jan 12 2011

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 July 28 10:51 EDT 2021. Contains 346326 sequences. (Running on oeis4.)