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.

A133380 A055450 + A030111 - A000012 as infinite lower triangular matrices.

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 1
6 1
7 4
8 5
9 1
10 1
11 7
12 6
13 7
14 1
15 1
16 10
17 13
18 8
19 9
20 1
21 1
22 16
23 17
24 21
25 10
26 11
27 1
28 24
29 30
30 26
31 31
32 12
33 13
34 1
35 1
36 38
37 42
38 52
39 37
40 43
41 14
42 15
43 1
44 1
45 59
46 69
47 69
48 84
49 50
50 57
51 16
52 17
53 1
54 1

List of values

[1, 1, 1, 3, 1, 1, 4, 5, 1, 1, 7, 6, 7, 1, 1, 10, 13, 8, 9, 1, 1, 16, 17, 21, 10, 11, 1, 24, 30, 26, 31, 12, 13, 1, 1, 38, 42, 52, 37, 43, 14, 15, 1, 1, 59, 69, 69, 84, 50, 57, 16, 17, 1, 1]