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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.

A325574 G.f. A(x) satisfies: 1 = Sum_{n>=0} (-x)^n * (A(x)^n + (-1)^n)^n.

Table of values

n a(n)
0 1
1 4
2 32
3 400
4 6016
5 99968
6 1779456
7 33343488
8 650141696
9 13084840960
10 270257033216
11 5704378748928
12 122667151491072
13 2681371746680832
14 59480466149277696
15 1337376871507230720
16 30452122562013954048
17 701788662787645112320
18 16362889157705834954752
19 385927625558617880526848

List of values

[1, 4, 32, 400, 6016, 99968, 1779456, 33343488, 650141696, 13084840960, 270257033216, 5704378748928, 122667151491072, 2681371746680832, 59480466149277696, 1337376871507230720, 30452122562013954048, 701788662787645112320, 16362889157705834954752, 385927625558617880526848]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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