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.

A080215 Binomial(greatest prime factor of n, smallest odd prime factor of n).

Table of values

n a(n)
1 1
2 2
3 1
4 2
5 1
6 1
7 1
8 2
9 1
10 1
11 1
12 1
13 1
14 1
15 10
16 2
17 1
18 1
19 1
20 1
21 35
22 1
23 1
24 1
25 1
26 1
27 1
28 1
29 1
30 10
31 1
32 2
33 165
34 1
35 21
36 1
37 1
38 1
39 286
40 1
41 1
42 35
43 1
44 1
45 10
46 1
47 1
48 1
49 1
50 1
51 680
52 1
53 1
54 1
55 462
56 1
57 969
58 1
59 1
60 10
61 1
62 1
63 35
64 2
65 1287
66 165
67 1
68 1
69 1771
70 21
71 1
72 1
73 1
74 1
75 10
76 1
77 330
78 286
79 1
80 1
81 1
82 1
83 1
84 35

List of values

[1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 10, 2, 1, 1, 1, 1, 35, 1, 1, 1, 1, 1, 1, 1, 1, 10, 1, 2, 165, 1, 21, 1, 1, 1, 286, 1, 1, 35, 1, 1, 10, 1, 1, 1, 1, 1, 680, 1, 1, 1, 462, 1, 969, 1, 1, 10, 1, 1, 35, 2, 1287, 165, 1, 1, 1771, 21, 1, 1, 1, 1, 10, 1, 330, 286, 1, 1, 1, 1, 1, 35]