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.

A221194 Simple continued fraction expansion of product {k >= 0} (1 - 2*(N - sqrt(N^2-1))^(4*k+3))/(1 - 2*(N - sqrt(N^2-1))^(4*k+1)) at N = 4.

Table of values

n a(n)
0 1
1 2
2 1
3 60
4 1
5 242
6 1
7 3840
8 1
9 15122
10 1
11 238140
12 1
13 937442
14 1
15 14760960
16 1
17 58106402
18 1
19 914941500
20 1
21 3601659602
22 1
23 56711612160
24 1
25 223244789042
26 1
27 3515205012540
28 1
29 13837575261122
30 1
31 217885999165440
32 1
33 857706421400642
34 1
35 13505416743244860
36 1

List of values

[1, 2, 1, 60, 1, 242, 1, 3840, 1, 15122, 1, 238140, 1, 937442, 1, 14760960, 1, 58106402, 1, 914941500, 1, 3601659602, 1, 56711612160, 1, 223244789042, 1, 3515205012540, 1, 13837575261122, 1, 217885999165440, 1, 857706421400642, 1, 13505416743244860, 1]