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.

A369629 Number of solutions to +- 1^4 +- 2^4 +- 3^4 +- ... +- n^4 = 0 or 1.

Table of values

n a(n)
0 1
1 1
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 0
13 0
14 0
15 0
16 2
17 5
18 0
19 16
20 18
21 0
22 21
23 32
24 100
25 126
26 0
27 424
28 510
29 0
30 1428
31 2792
32 5988
33 9786
34 7
35 29058
36 45106
37 22
38 150437
39 276828
40 473854
41 836737
42 1838
43 2455340
44 4777436
45 15847
46 14696425
47 27466324
48 46429640
49 83010230
50 738627

List of values

[1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 5, 0, 16, 18, 0, 21, 32, 100, 126, 0, 424, 510, 0, 1428, 2792, 5988, 9786, 7, 29058, 45106, 22, 150437, 276828, 473854, 836737, 1838, 2455340, 4777436, 15847, 14696425, 27466324, 46429640, 83010230, 738627]