cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A341424 Number of positive solutions to (x_1)^2 + (x_2)^2 + ... + (x_5)^2 <= n^2.

Table of values

n a(n)
3 6
4 51
5 177
6 547
7 1348
8 2958
9 5574
10 10084
11 16974
12 27450
13 41970
14 62671
15 90216
16 128082
17 175867
18 238018
19 316373
20 414998
21 534094
22 682144
23 859705
24 1075165
25 1326551
26 1627896
27 1976582
28 2390057
29 2862607
30 3411273
31 4039483
32 4760419
33 5571729
34 6500650
35 7541560
36 8722096

List of values

[6, 51, 177, 547, 1348, 2958, 5574, 10084, 16974, 27450, 41970, 62671, 90216, 128082, 175867, 238018, 316373, 414998, 534094, 682144, 859705, 1075165, 1326551, 1627896, 1976582, 2390057, 2862607, 3411273, 4039483, 4760419, 5571729, 6500650, 7541560, 8722096]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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