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.

A046576 First denominator and then numerator 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 4
6 5
7 1
8 1
9 4
10 9
11 1
12 1
13 4
14 19
15 4
16 13
17 1
18 1
19 1
20 8
21 4
22 17
23 1
24 1
25 2
26 35
27 4
28 49
29 4
30 21
31 1
32 1
33 4
34 119
35 2
36 35
37 4
38 25
39 1
40 1
41 4
42 259
43 4
44 189
45 4
46 95
47 4
48 29
49 1
50 1
51 1
52 112
53 1
54 71
55 1
56 31
57 4
58 33
59 1
60 1
61 2
62 483
63 1
64 183
65 1
66 102
67 4
68 157
69 4
70 37
71 1
72 1
73 2
74 849
75 1
76 285
77 4
78 565
79 2
80 97
81 4
82 41
83 1
84 1
85 2

List of values

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