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.

A366734 Expansion of g.f. A(x) satisfying 0 = Sum_{n=-oo..+oo} x^n * A(x)^n * (4 - x^(n-1))^(n+1).

Table of values

n a(n)
0 1
1 4
2 24
3 236
4 2504
5 28332
6 335656
7 4108688
8 51558000
9 659737684
10 8575826448
11 112927383328
12 1503232394344
13 20195196226124
14 273467339844368
15 3728623506924660
16 51145851271818536
17 705322823588365592
18 9772995790887474920
19 135992755093954566300
20 1899633478390401668072

List of values

[1, 4, 24, 236, 2504, 28332, 335656, 4108688, 51558000, 659737684, 8575826448, 112927383328, 1503232394344, 20195196226124, 273467339844368, 3728623506924660, 51145851271818536, 705322823588365592, 9772995790887474920, 135992755093954566300, 1899633478390401668072]