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.

A077623 a(1)=1, a(2)=2, a(3)=4, a(n) = abs(a(n-1) - a(n-2) - a(n-3)).

Table of values

n a(n)
1 1
2 2
3 4
4 1
5 5
6 0
7 6
8 1
9 5
10 2
11 4
12 3
13 3
14 4
15 2
16 5
17 1
18 6
19 0
20 7
21 1
22 6
23 2
24 5
25 3
26 4
27 4
28 3
29 5
30 2
31 6
32 1
33 7
34 0
35 8
36 1
37 7
38 2
39 6
40 3
41 5
42 4
43 4
44 5
45 3
46 6
47 2
48 7
49 1
50 8
51 0
52 9
53 1
54 8
55 2
56 7
57 3
58 6
59 4
60 5
61 5
62 4
63 6
64 3
65 7
66 2
67 8
68 1
69 9
70 0
71 10
72 1
73 9
74 2
75 8
76 3
77 7
78 4
79 6
80 5
81 5
82 6
83 4
84 7
85 3
86 8
87 2
88 9
89 1
90 10
91 0
92 11
93 1
94 10
95 2
96 9
97 3
98 8
99 4
100 7
101 5
102 6
103 6

List of values

[1, 2, 4, 1, 5, 0, 6, 1, 5, 2, 4, 3, 3, 4, 2, 5, 1, 6, 0, 7, 1, 6, 2, 5, 3, 4, 4, 3, 5, 2, 6, 1, 7, 0, 8, 1, 7, 2, 6, 3, 5, 4, 4, 5, 3, 6, 2, 7, 1, 8, 0, 9, 1, 8, 2, 7, 3, 6, 4, 5, 5, 4, 6, 3, 7, 2, 8, 1, 9, 0, 10, 1, 9, 2, 8, 3, 7, 4, 6, 5, 5, 6, 4, 7, 3, 8, 2, 9, 1, 10, 0, 11, 1, 10, 2, 9, 3, 8, 4, 7, 5, 6, 6]