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.

A046621 First denominator and then numerator of each element to the right of the central elements of the 1/5-Pascal triangle (by row), excluding 5's.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 6
6 1
7 1
8 11
9 1
10 1
11 23
12 16
13 1
14 1
15 39
16 21
17 1
18 1
19 1
20 17
21 1
22 12
23 26
24 1
25 1
26 1
27 29
28 86
29 31
30 1
31 1
32 1
33 63
34 231
35 117
36 36
37 1
38 1
39 546
40 348
41 153
42 41
43 1
44 1
45 1176
46 894
47 501
48 194
49 46
50 1
51 1
52 1
53 414
54 1
55 279
56 1
57 139
58 1
59 48
60 51
61 1
62 1
63 4422
64 1
65 693
66 1
67 418
68 1
69 187
70 291
71 56
72 1
73 1
74 7887
75 1

List of values

[1, 1, 1, 1, 6, 1, 1, 11, 1, 1, 23, 16, 1, 1, 39, 21, 1, 1, 1, 17, 1, 12, 26, 1, 1, 1, 29, 86, 31, 1, 1, 1, 63, 231, 117, 36, 1, 1, 546, 348, 153, 41, 1, 1, 1176, 894, 501, 194, 46, 1, 1, 1, 414, 1, 279, 1, 139, 1, 48, 51, 1, 1, 4422, 1, 693, 1, 418, 1, 187, 291, 56, 1, 1, 7887, 1]