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.

A276265 Expansion of (1 + 2*x)/(1 - 6*x + 6*x^2).

Table of values

n a(n)
0 1
1 8
2 42
3 204
4 972
5 4608
6 21816
7 103248
8 488592
9 2312064
10 10940832
11 51772608
12 244990656
13 1159308288
14 5485905792
15 25959585024
16 122842075392
17 581294942208
18 2750717200896
19 13016533552128
20 61594898107392
21 291470187331584
22 1379251735345152
23 6526689288081408
24 30884625316417536

List of values

[1, 8, 42, 204, 972, 4608, 21816, 103248, 488592, 2312064, 10940832, 51772608, 244990656, 1159308288, 5485905792, 25959585024, 122842075392, 581294942208, 2750717200896, 13016533552128, 61594898107392, 291470187331584, 1379251735345152, 6526689288081408, 30884625316417536]