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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.

A304523 Number of ordered ways to write n as the sum of a Lucas number (A000032) and a positive odd squarefree number.

Table of values

n a(n)
1 0
2 1
3 1
4 2
5 2
6 2
7 2
8 3
9 2
10 2
11 1
12 3
13 1
14 4
15 2
16 3
17 2
18 4
19 3
20 3
21 3
22 4
23 3
24 4
25 3
26 3
27 1
28 2
29 1
30 4
31 2
32 4
33 3
34 4
35 3
36 4
37 3
38 3
39 3
40 5
41 3
42 5
43 2
44 5
45 2
46 4
47 2
48 5
49 2
50 5
51 2
52 4
53 2
54 5
55 3
56 2
57 3
58 6
59 3
60 5
61 3
62 6
63 2
64 5
65 2
66 5
67 1
68 6
69 3
70 5
71 3
72 5
73 3
74 3
75 3
76 5
77 3
78 4
79 3
80 6
81 3
82 4
83 3
84 5
85 2
86 5
87 4
88 5
89 4
90 6

List of values

[0, 1, 1, 2, 2, 2, 2, 3, 2, 2, 1, 3, 1, 4, 2, 3, 2, 4, 3, 3, 3, 4, 3, 4, 3, 3, 1, 2, 1, 4, 2, 4, 3, 4, 3, 4, 3, 3, 3, 5, 3, 5, 2, 5, 2, 4, 2, 5, 2, 5, 2, 4, 2, 5, 3, 2, 3, 6, 3, 5, 3, 6, 2, 5, 2, 5, 1, 6, 3, 5, 3, 5, 3, 3, 3, 5, 3, 4, 3, 6, 3, 4, 3, 5, 2, 5, 4, 5, 4, 6]

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