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.

A341426 Number of positive solutions to (x_1)^2 + (x_2)^2 + ... + (x_7)^2 <= n^2.

Table of values

n a(n)
3 1
4 71
5 491
6 2522
7 9263
8 27723
9 71480
10 163908
11 345657
12 679802
13 1252185
14 2203724
15 3715206
16 6041979
17 9510283
18 14591324
19 21788606
20 31894205
21 45741815
22 64467383
23 89363919
24 122254946
25 164721244
26 219526449
27 289133792
28 377013829
29 486522424
30 622759365

List of values

[1, 71, 491, 2522, 9263, 27723, 71480, 163908, 345657, 679802, 1252185, 2203724, 3715206, 6041979, 9510283, 14591324, 21788606, 31894205, 45741815, 64467383, 89363919, 122254946, 164721244, 219526449, 289133792, 377013829, 486522424, 622759365]

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

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