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.

A221535 E.g.f.: Sum_{n>=0} a(n) * (cos(n^2*x) - sin(n^2*x)) * x^n/n! = 1 + x.

Table of values

n a(n)
0 1
1 1
2 2
3 27
4 1160
5 113385
6 21060816
7 6623049027
8 3256046222848
9 2359986757857297
10 2411094849547390720
11 3350982557290104443883
12 6155509617679334624756736
13 14592373629282306879174535161
14 43755759571493116198207431532544
15 163135210694347619479784565520981395

List of values

[1, 1, 2, 27, 1160, 113385, 21060816, 6623049027, 3256046222848, 2359986757857297, 2411094849547390720, 3350982557290104443883, 6155509617679334624756736, 14592373629282306879174535161, 43755759571493116198207431532544, 163135210694347619479784565520981395]