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.

A321144 Irregular triangle where T(n,k) is the number of divisors of n whose prime indices sum to k.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 0
6 1
7 1
8 1
9 1
10 1
11 0
12 0
13 1
14 1
15 1
16 1
17 1
18 1
19 0
20 0
21 0
22 1
23 1
24 1
25 1
26 1
27 1
28 0
29 1
30 0
31 1
32 1
33 1
34 0
35 1
36 1
37 1
38 0
39 0
40 0
41 0
42 1
43 1
44 1
45 2
46 1
47 1
48 1
49 0
50 0
51 0
52 0
53 0
54 1
55 1
56 1
57 0
58 0
59 1
60 1
61 1
62 0
63 1
64 1
65 0
66 1
67 1
68 1
69 1
70 1
71 1
72 1
73 0
74 0
75 0
76 0
77 0
78 0
79 1
80 1
81 1
82 1
83 1
84 1
85 1
86 1
87 0

List of values

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