login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A071609 Squared radii of the spheres around (0,0,0) that contain record numbers of lattice points. 4
1, 2, 5, 9, 14, 26, 41, 74, 89, 101, 146, 194, 269, 314, 341, 446, 614, 626, 689, 794, 854, 941, 1106, 1109, 1154, 1286, 1361, 1634, 1781, 1889, 2141, 2609, 2966, 3134, 3401, 3449, 3506, 4241, 4289, 4826, 5381, 5561, 6254, 7229, 7829, 8069, 8126 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

The number of lattice points (i,j,k) on the sphere around (0,0,0) with i^2+j^2+k^2=a(n) is given by A071611(n)

CROSSREFS

Cf. A071342, A071343, A071344, A071610, A071611.

Sequence in context: A123690 A199935 A090937 * A068501 A048071 A051892

Adjacent sequences:  A071606 A071607 A071608 * A071610 A071611 A071612

KEYWORD

nonn

AUTHOR

Hugo Pfoertner (hugo(AT)pfoertner.org), May 25 2002

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 15 21:56 EST 2012. Contains 205860 sequences.