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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.

A214640 A ternary sequence : closed under 1 -> 123, 2 -> 12, 3 -> 2 . Start with 1 .

Table of values

n a(n)
1 1
2 2
3 3
4 1
5 2
6 2
7 1
8 2
9 3
10 1
11 2
12 1
13 2
14 1
15 2
16 3
17 1
18 2
19 2
20 1
21 2
22 3
23 1
24 2
25 1
26 2
27 3
28 1
29 2
30 1
31 2
32 3
33 1
34 2
35 2
36 1
37 2
38 3
39 1
40 2
41 1
42 2
43 1
44 2
45 3
46 1
47 2
48 2
49 1
50 2
51 3
52 1
53 2
54 1
55 2
56 3
57 1
58 2
59 2
60 1
61 2
62 3
63 1
64 2
65 1
66 2
67 3
68 1
69 2
70 2
71 1
72 2
73 3
74 1
75 2
76 1
77 2
78 1
79 2
80 3
81 1
82 2
83 2
84 1
85 2
86 3
87 1
88 2
89 1
90 2
91 3
92 1
93 2
94 1
95 2
96 3
97 1
98 2
99 2
100 1
101 2
102 3
103 1
104 2
105 1
106 2
107 1
108 2
109 3
110 1
111 2
112 2
113 1
114 2
115 3
116 1
117 2

List of values

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

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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