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.

A012509 E.g.f.: -log(cos(x)*cos(x)) (even powers only).

Table of values

n a(n)
0 0
1 2
2 4
3 32
4 544
5 15872
6 707584
7 44736512
8 3807514624
9 419730685952
10 58177770225664
11 9902996106248192
12 2030847773013704704
13 493842960380415967232
14 140503203207887919775744
15 46238368375619195682947072
16 17427925514250338592341622784
17 7458815407441059142195019251712

List of values

[0, 2, 4, 32, 544, 15872, 707584, 44736512, 3807514624, 419730685952, 58177770225664, 9902996106248192, 2030847773013704704, 493842960380415967232, 140503203207887919775744, 46238368375619195682947072, 17427925514250338592341622784, 7458815407441059142195019251712]

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

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