The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A055429 Number of points in Z^n of norm <= 5. 2
 1, 11, 81, 515, 3121, 16875, 84769, 394691, 1733537, 7129227, 27634481, 102386243, 365127249, 1256538091, 4180101249, 13457728387, 41966634049, 126929576971, 373074639633, 1067860637059, 2981845163377, 8133266915563 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Andrew Howroyd, Table of n, a(n) for n = 0..1000 MATHEMATICA a[n_] := SeriesCoefficient[1/(1-x) Sum[x^(i^2), {i, -5, 5}]^n, {x, 0, 25}]; a /@ Range[0, 21] (* Jean-François Alcover, Sep 29 2019, from A302997 *) CROSSREFS Row n=5 of A302997. Sequence in context: A323223 A211557 A333061 * A227556 A181989 A199557 Adjacent sequences: A055426 A055427 A055428 * A055430 A055431 A055432 KEYWORD nonn AUTHOR David W. Wilson 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 18 08:27 EDT 2024. Contains 373472 sequences. (Running on oeis4.)