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.

A263531 G.f. A(x) satisfies: A(x) = B(x)^2 - C(x)^2 such that B(x) + I*C(x) = Series_Reversion(x - I*A(x)), where I^2 = -1.

Table of values

n a(n)
1 1
2 -5
3 112
4 -4320
5 227766
6 -14942616
7 1162657840
8 -104338906529
9 10609887976616
10 -1207797487940348
11 152572977202977992
12 -21242819435887437760
13 3241842130718219392320
14 -539712032454499745200600
15 97612800729251959183577168
16 -19106581507633892101354812324
17 4033513580481891302243479168168
18 -915408408852469072798058443048672

List of values

[1, -5, 112, -4320, 227766, -14942616, 1162657840, -104338906529, 10609887976616, -1207797487940348, 152572977202977992, -21242819435887437760, 3241842130718219392320, -539712032454499745200600, 97612800729251959183577168, -19106581507633892101354812324, 4033513580481891302243479168168, -915408408852469072798058443048672]