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.

A204383 G.f.: Product_{n>=1} (1 - A002203(n)*x^n + (-1)^n*x^(2*n))^3 where A002203(n) is the companion Pell numbers.

Table of values

n a(n)
0 1
1 -6
2 -9
3 70
4 90
5 0
6 -1411
7 -1722
8 0
9 490
10 60534
11 75222
12 49
13 -21510
14 0
15 -6067754
16 -7542180
17 0
18 2156110
19 0
20 81
21 1420032740
22 1764323886
23 0
24 -504516870
25 -8118
26 0
27 -50196874
28 -783087782910
29 -973096740630
30 -121
31 278263575996
32 0
33 0
34 27685627830
35 0
36 1024173639305948

List of values

[1, -6, -9, 70, 90, 0, -1411, -1722, 0, 490, 60534, 75222, 49, -21510, 0, -6067754, -7542180, 0, 2156110, 0, 81, 1420032740, 1764323886, 0, -504516870, -8118, 0, -50196874, -783087782910, -973096740630, -121, 278263575996, 0, 0, 27685627830, 0, 1024173639305948]