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.

A204291 G.f.: Sum_{n>=1} moebius(n)*x^n/(1 - Lucas(n)*x^n + (-1)^n*x^(2*n)), where Lucas(n) = A000204(n).

Table of values

n a(n)
1 1
2 0
3 1
4 0
5 4
6 -3
7 12
8 0
9 17
10 -10
11 88
12 -54
13 232
14 -28
15 184
16 0
17 1596
18 -969
19 4180
20 -1230
21 4632
22 -198
23 28656
24 -17388
25 60020
26 -520
27 98209
28 -23604
29 514228
30 -461932
31 1346268
32 0
33 1722688
34 -3570
35 6672168
36 -5598882
37 24157816
38 -9348
39 31351552
40 -18606210
41 165580140

List of values

[1, 0, 1, 0, 4, -3, 12, 0, 17, -10, 88, -54, 232, -28, 184, 0, 1596, -969, 4180, -1230, 4632, -198, 28656, -17388, 60020, -520, 98209, -23604, 514228, -461932, 1346268, 0, 1722688, -3570, 6672168, -5598882, 24157816, -9348, 31351552, -18606210, 165580140]