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.

A111662 Expansion of x^2*(1-x)*(x^2+x+1)*(x^6+x^3+1)/((2*x-1)*(2*x^9-x^6+x^3-1)).

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 4
5 9
6 18
7 36
8 72
9 144
10 288
11 576
12 1152
13 2304
14 4610
15 9220
16 18440
17 36882
18 73764
19 147528
20 295056
21 590112
22 1180224
23 2360450
24 4720900
25 9441800
26 18883606
27 37767212
28 75534424
29 151068852
30 302137704
31 604275408
32 1208550818
33 2417101636

List of values

[0, 0, 1, 2, 4, 9, 18, 36, 72, 144, 288, 576, 1152, 2304, 4610, 9220, 18440, 36882, 73764, 147528, 295056, 590112, 1180224, 2360450, 4720900, 9441800, 18883606, 37767212, 75534424, 151068852, 302137704, 604275408, 1208550818, 2417101636]