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.

A012394 sec(tan(x)*tan(x))=1+12/4!*x^4+480/6!*x^6+32592/8!*x^8...

Table of values

n a(n)
0 1
1 0
2 12
3 480
4 32592
5 3644160
6 601225152
7 136477985280
8 40777726478592
9 15519265846026240
10 7330634507726810112
11 4208431377781384765440
12 2886028889205733569318912
13 2330210584650322816604897280

List of values

[1, 0, 12, 480, 32592, 3644160, 601225152, 136477985280, 40777726478592, 15519265846026240, 7330634507726810112, 4208431377781384765440, 2886028889205733569318912, 2330210584650322816604897280]