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.

A270647 The sequence a of 1's and 2's starting with (2,2,1,2) such that a(n) is the length of the (n+3)rd run of a.

Table of values

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

List of values

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