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.

A138060 Triangle read by rows: row 1 = {1}; for n>1, row n is obtained from row n-1 by applying the morphism 1->1,2; 2->3; 3->4; 4->1.

Table of values

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

List of values

[1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 1, 1, 2, 3, 4, 1, 1, 2, 1, 2, 3, 4, 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 1, 1, 2, 3, 4, 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 1, 1, 2, 3, 4, 1, 1, 2, 1, 2, 3, 4, 1, 1, 2, 1, 2, 3, 1, 2, 3, 4]