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.

A154234 Triangle read by rows: T(n,k) = (n mod d(k)), where d(i) is the number of divisors of i.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 1
6 1
7 0
8 0
9 0
10 1
11 0
12 1
13 1
14 2
15 1
16 0
17 0
18 0
19 0
20 0
21 2
22 0
23 1
24 1
25 1
26 1
27 3
28 1
29 0
30 0
31 0
32 2
33 0
34 0
35 0
36 0
37 0
38 1
39 1
40 0
41 1
42 1
43 1
44 1
45 0
46 0
47 0
48 0
49 1
50 0
51 2
52 0
53 2
54 1
55 2
56 0
57 1
58 1
59 2
60 1
61 3
62 1
63 3
64 2
65 3
66 1
67 0
68 0
69 0
70 0
71 0
72 0
73 0
74 0
75 0
76 0
77 0
78 0
79 0
80 1
81 1

List of values

[0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 2, 1, 0, 0, 0, 0, 0, 2, 0, 1, 1, 1, 1, 3, 1, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 2, 0, 2, 1, 2, 0, 1, 1, 2, 1, 3, 1, 3, 2, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1]