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.

A218798 E.g.f.: Sum_{n>=0} a(n) * (cos(n*x)-sin(n*x)) * x^n/n! = 1 + x.

Table of values

n a(n)
0 1
1 1
2 2
3 15
4 224
5 5665
6 215136
7 11466903
8 815542272
9 74626924833
10 8539305740800
11 1194616544819423
12 200588161750990848
13 39810821495648979009
14 9219256372209251966976
15 2463653490073311266825895
16 752468103154551980520636416
17 260483894045203867466646001345

List of values

[1, 1, 2, 15, 224, 5665, 215136, 11466903, 815542272, 74626924833, 8539305740800, 1194616544819423, 200588161750990848, 39810821495648979009, 9219256372209251966976, 2463653490073311266825895, 752468103154551980520636416, 260483894045203867466646001345]