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.

A350524 G.f. A(x) satisfies: [x^(2*n-2)] A(x)^(n^2) = 0 and [x^(2*n-1)] A(x)^(n^2) = 0 for n > 1, with a(0) = 1, a(2) = 2.

Table of values

n a(n)
0 1
1 2
2 -6
3 28
4 -144
5 736
6 -3512
7 14896
8 -61600
9 509632
10 -12903296
11 422568704
12 -17796848640
13 824388274176
14 -43343785743488
15 2375499099860224
16 -140774447935008256
17 8727751762659943424
18 -578377033389467758592
19 40230774454685666598912
20 -2967831511563656631672832
21 229648123356288830870929408

List of values

[1, 2, -6, 28, -144, 736, -3512, 14896, -61600, 509632, -12903296, 422568704, -17796848640, 824388274176, -43343785743488, 2375499099860224, -140774447935008256, 8727751762659943424, -578377033389467758592, 40230774454685666598912, -2967831511563656631672832, 229648123356288830870929408]