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.

A198067 Square array read by antidiagonals, n>=1, k>=1; T(n,k) is the number of nonprime numbers which are prime to n and are not strong divisors of k.

Table of values

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

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 1, 2, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 2, 1, 1, 1, 1, 2, 3, 1, 2, 1, 2, 1, 1, 1, 1, 6, 2, 3, 1, 3, 1, 2, 1, 1, 1, 1, 1, 6, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1, 7, 1, 6, 2, 3, 1, 3, 1, 2]