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.

A262954 Number of ordered pairs (x,y) with x >= 0 and y > 0 such that n - x^4 - y*(y+1)/2 has the form z^2 or 8*z^2.

Table of values

n a(n)
1 1
2 2
3 2
4 2
5 2
6 2
7 3
8 2
9 1
10 4
11 5
12 3
13 1
14 2
15 4
16 3
17 3
18 3
19 5
20 4
21 2
22 4
23 5
24 2
25 3
26 6
27 4
28 3
29 4
30 5
31 5
32 4
33 3
34 2
35 5
36 4
37 7
38 7
39 3
40 4
41 3
42 4
43 2
44 4
45 6
46 6
47 6
48 2
49 2
50 2
51 4
52 5
53 9
54 5
55 4
56 5
57 2
58 3
59 2
60 5
61 5
62 5
63 2
64 4
65 5
66 3
67 4
68 5
69 4
70 5
71 7
72 3
73 3
74 3
75 6
76 3
77 4
78 4
79 5
80 6
81 3
82 7
83 7
84 3
85 4
86 8
87 7
88 7
89 1
90 3
91 9
92 8
93 6

List of values

[1, 2, 2, 2, 2, 2, 3, 2, 1, 4, 5, 3, 1, 2, 4, 3, 3, 3, 5, 4, 2, 4, 5, 2, 3, 6, 4, 3, 4, 5, 5, 4, 3, 2, 5, 4, 7, 7, 3, 4, 3, 4, 2, 4, 6, 6, 6, 2, 2, 2, 4, 5, 9, 5, 4, 5, 2, 3, 2, 5, 5, 5, 2, 4, 5, 3, 4, 5, 4, 5, 7, 3, 3, 3, 6, 3, 4, 4, 5, 6, 3, 7, 7, 3, 4, 8, 7, 7, 1, 3, 9, 8, 6]