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.

A127439 Triangle read by rows, in which row n consists of first n terms of A054541.

Table of values

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

List of values

[2, 2, 1, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 4, 2, 1, 2, 2, 4, 2, 2, 1, 2, 2, 4, 2, 4, 2, 1, 2, 2, 4, 2, 4, 2, 2, 1, 2, 2, 4, 2, 4, 2, 4, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 6, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 6, 4]

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

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