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.

A012457 sin(arctan(x)^2)=2/2!*x^2-16/4!*x^4+248/6!*x^6-3456/8!*x^8...

Table of values

n a(n)
0 2
1 -16
2 248
3 -3456
4 -406368
5 123982080
6 -31807263360
7 9173875200000
8 -3114459024453120
9 1251070155460915200
10 -591321674803999426560
11 326012628782956574638080
12 -207713640106463567695994880

List of values

[2, -16, 248, -3456, -406368, 123982080, -31807263360, 9173875200000, -3114459024453120, 1251070155460915200, -591321674803999426560, 326012628782956574638080, -207713640106463567695994880]