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.

A104934 Expansion of (1-x)/(1 - 3*x - 2*x^2).

Table of values

n a(n)
0 1
1 2
2 8
3 28
4 100
5 356
6 1268
7 4516
8 16084
9 57284
10 204020
11 726628
12 2587924
13 9217028
14 32826932
15 116914852
16 416398420
17 1483024964
18 5281871732
19 18811665124
20 66998738836
21 238619546756
22 849856117940
23 3026807447332
24 10780134577876
25 38394018628292
26 136742325040628
27 487015012378468
28 1734529687216660

List of values

[1, 2, 8, 28, 100, 356, 1268, 4516, 16084, 57284, 204020, 726628, 2587924, 9217028, 32826932, 116914852, 416398420, 1483024964, 5281871732, 18811665124, 66998738836, 238619546756, 849856117940, 3026807447332, 10780134577876, 38394018628292, 136742325040628, 487015012378468, 1734529687216660]