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.

A221534 E.g.f.: Sum_{n>=0} a(n) * (cos(n*x) - sin(n*x))^n * x^n/n! = 1 + x.

Table of values

n a(n)
0 1
1 1
2 2
3 27
4 968
5 68865
6 8252496
7 1505652267
8 390426582272
9 136910626544673
10 62531921536979200
11 36122742294179711643
12 25777397243775426776064
13 22288717300246130379501921
14 22978204666564567674247942144
15 27861330789200983137890612877675

List of values

[1, 1, 2, 27, 968, 68865, 8252496, 1505652267, 390426582272, 136910626544673, 62531921536979200, 36122742294179711643, 25777397243775426776064, 22288717300246130379501921, 22978204666564567674247942144, 27861330789200983137890612877675]