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

 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. 5
 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; text; 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). Indices of records in A005875. - Daniel Suteu, Aug 13 2021 LINKS Hugo Pfoertner, Table of n, a(n) for n = 1..189 CROSSREFS Cf. A005875, A071342, A071343, A071344, A071610, A071611. Sequence in context: A338666 A325717 A291942 * A068501 A048071 A320996 Adjacent sequences: A071606 A071607 A071608 * A071610 A071611 A071612 KEYWORD nonn AUTHOR Hugo Pfoertner, May 25 2002 STATUS approved

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.

Last modified June 6 01:24 EDT 2023. Contains 363138 sequences. (Running on oeis4.)