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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.

A286885 Number of ways to write 6*n+1 as x^2 + 3*y^2 + 54*z^2 with x,y,z nonnegative integers.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 2
9 1
10 2
11 2
12 2
13 2
14 1
15 3
16 2
17 3
18 1
19 1
20 2
21 2
22 3
23 1
24 2
25 2
26 2
27 2
28 2
29 2
30 2
31 2
32 2
33 1
34 1
35 2
36 4
37 4
38 3
39 2
40 2
41 4
42 2
43 3
44 3
45 3
46 3
47 3
48 2
49 2
50 4
51 3
52 4
53 1
54 3
55 2
56 3
57 4
58 3
59 3
60 3
61 3
62 2
63 3
64 3
65 2
66 4
67 3
68 2
69 3
70 2

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 1, 3, 2, 3, 1, 1, 2, 2, 3, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 4, 4, 3, 2, 2, 4, 2, 3, 3, 3, 3, 3, 2, 2, 4, 3, 4, 1, 3, 2, 3, 4, 3, 3, 3, 3, 2, 3, 3, 2, 4, 3, 2, 3, 2]

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