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.

A247899 First differences of A247679.

Table of values

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

List of values

[90, 18, 18, 54, 72, 18, 18, 18, 36, 18, 18, 72, 54, 36, 36, 18, 36, 72, 18, 36, 54, 54, 18, 18, 54, 18, 18, 18, 36, 36, 18, 36, 36, 36, 54, 18, 18, 18, 36, 18, 18, 36, 18, 54, 18, 18, 90, 18, 18, 36, 18, 18, 18, 18, 18, 18, 18, 72, 18, 18, 54, 18, 18, 54, 18, 36, 18, 18, 36, 18, 36, 18, 18, 54, 54, 36, 18, 18, 18, 18, 18]

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