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.

A083879 a(0)=1, a(1)=4, a(n) = 8*a(n-1) - 14*a(n-2), n >= 2.

Table of values

n a(n)
0 1
1 4
2 18
3 88
4 452
5 2384
6 12744
7 68576
8 370192
9 2001472
10 10829088
11 58612096
12 317289536
13 1717746944
14 9299922048
15 50350919168
16 272608444672
17 1475954689024
18 7991119286784
19 43265588647936
20 234249039168512
21 1268274072276992

List of values

[1, 4, 18, 88, 452, 2384, 12744, 68576, 370192, 2001472, 10829088, 58612096, 317289536, 1717746944, 9299922048, 50350919168, 272608444672, 1475954689024, 7991119286784, 43265588647936, 234249039168512, 1268274072276992]