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.

A053455 a(n) = ((8^n) - (-6)^n)/14.

Table of values

n a(n)
0 0
1 1
2 2
3 52
4 200
5 2896
6 15392
7 169792
8 1078400
9 10306816
10 72376832
11 639480832
12 4753049600
13 40201179136
14 308548739072
15 2546754076672
16 19903847628800
17 162051890937856
18 1279488468058112
19 10337467701133312
20 82090381869056000
21 660379213392510976
22 5261096756499709952
23 42220395755839946752

List of values

[0, 1, 2, 52, 200, 2896, 15392, 169792, 1078400, 10306816, 72376832, 639480832, 4753049600, 40201179136, 308548739072, 2546754076672, 19903847628800, 162051890937856, 1279488468058112, 10337467701133312, 82090381869056000, 660379213392510976, 5261096756499709952, 42220395755839946752]