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.

A174508 Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A086594(n)) ), where A086594(n) = (4+sqrt(17))^n + (4-sqrt(17))^n.

Table of values

n a(n)
0 1
1 7
2 65
3 1
4 535
5 4353
6 1
7 35367
8 287297
9 1
10 2333751
11 18957313
12 1
13 153992263
14 1250895425
15 1
16 10161155671
17 82540140801
18 1
19 670482282087
20 5446398397505
21 1
22 44241669462135
23 359379754094593
24 1
25 2919279702218887
26 23713617371845697
27 1

List of values

[1, 7, 65, 1, 535, 4353, 1, 35367, 287297, 1, 2333751, 18957313, 1, 153992263, 1250895425, 1, 10161155671, 82540140801, 1, 670482282087, 5446398397505, 1, 44241669462135, 359379754094593, 1, 2919279702218887, 23713617371845697, 1]