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.

A343473 G.f.: 1 + (1*x)/(1 + (2*x)^2/(1 + (3*x)^3/(1 + (4*x)^4/(1 + (5*x)^5/(1 + ...))))).

Table of values

n a(n)
0 1
1 1
2 0
3 -4
4 0
5 16
6 108
7 -64
8 -864
9 -2660
10 -22464
11 33968
12 272268
13 1217152
14 4629312
15 68208188
16 -98077824
17 -1089798320
18 -5246016084
19 -32436365248
20 -180561473568
21 -3404617719332
22 5203858765248
23 55902314446832
24 354805454664396
25 2229923884913920

List of values

[1, 1, 0, -4, 0, 16, 108, -64, -864, -2660, -22464, 33968, 272268, 1217152, 4629312, 68208188, -98077824, -1089798320, -5246016084, -32436365248, -180561473568, -3404617719332, 5203858765248, 55902314446832, 354805454664396, 2229923884913920]