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.

A046610 First numerator and then denominator of the central elements of the 1/5-Pascal triangle (by row).

Table of values

n a(n)
1 1
2 1
3 1
4 5
5 12
6 5
7 46
8 5
9 34
10 1
11 126
12 1
13 2352
14 5
15 8844
16 5
17 33462
18 5
19 25454
20 1
21 97240
22 1
23 1864356
24 5
25 7171892
26 5
27 27665596
28 5
29 21395520
30 1
31 82907640
32 1
33 321868854
34 1
35 1251661518
36 1
37 4874644104
38 1
39 19010020260
40 1
41 74225053980
42 1
43 290134122564
44 1

List of values

[1, 1, 1, 5, 12, 5, 46, 5, 34, 1, 126, 1, 2352, 5, 8844, 5, 33462, 5, 25454, 1, 97240, 1, 1864356, 5, 7171892, 5, 27665596, 5, 21395520, 1, 82907640, 1, 321868854, 1, 1251661518, 1, 4874644104, 1, 19010020260, 1, 74225053980, 1, 290134122564, 1]