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.

A318004 E.g.f.: 2*cos(x) / (1 + sqrt(1 - 2*sin(2*x))).

Table of values

n a(n)
0 1
1 1
2 3
3 23
4 249
5 3601
6 65163
7 1420103
8 36240369
9 1060638241
10 35030837523
11 1289122462583
12 52311218246889
13 2320745189970481
14 111753587921091483
15 5805372695984119463
16 323619830261141155809
17 19269740737912396000321
18 1220661620760214878827043
19 81966845938603736180310743
20 5815923258824904181135143129

List of values

[1, 1, 3, 23, 249, 3601, 65163, 1420103, 36240369, 1060638241, 35030837523, 1289122462583, 52311218246889, 2320745189970481, 111753587921091483, 5805372695984119463, 323619830261141155809, 19269740737912396000321, 1220661620760214878827043, 81966845938603736180310743, 5815923258824904181135143129]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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