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.

A046575 First numerator and then denominator of the elements to the right of the central elements of the 1/4-Pascal triangle.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 5
6 4
7 1
8 1
9 9
10 4
11 1
12 1
13 19
14 4
15 13
16 4
17 1
18 1
19 8
20 1
21 17
22 4
23 1
24 1
25 35
26 2
27 49
28 4
29 21
30 4
31 1
32 1
33 119
34 4
35 35
36 2
37 25
38 4
39 1
40 1
41 259
42 4
43 189
44 4
45 95
46 4
47 29
48 4
49 1
50 1
51 112
52 1
53 71
54 1
55 31
56 1
57 33
58 4
59 1
60 1
61 483
62 2
63 183
64 1
65 102
66 1
67 157
68 4
69 37
70 4
71 1
72 1
73 849
74 2
75 285
76 1
77 565
78 4
79 97
80 2
81 41
82 4
83 1
84 1

List of values

[1, 1, 1, 1, 5, 4, 1, 1, 9, 4, 1, 1, 19, 4, 13, 4, 1, 1, 8, 1, 17, 4, 1, 1, 35, 2, 49, 4, 21, 4, 1, 1, 119, 4, 35, 2, 25, 4, 1, 1, 259, 4, 189, 4, 95, 4, 29, 4, 1, 1, 112, 1, 71, 1, 31, 1, 33, 4, 1, 1, 483, 2, 183, 1, 102, 1, 157, 4, 37, 4, 1, 1, 849, 2, 285, 1, 565, 4, 97, 2, 41, 4, 1, 1]