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.

A152224 a(n)=4*a(n-1)+6*a(n-2), n>1 ; a(0)=1, a(1)=6 .

Table of values

n a(n)
0 1
1 6
2 30
3 156
4 804
5 4152
6 21432
7 110640
8 571152
9 2948448
10 15220704
11 78573504
12 405618240
13 2093913984
14 10809365376
15 55800945408
16 288059973888
17 1487045568000
18 7676542115328
19 39628441869312
20 204573020169216
21 1056062731892736
22 5451689048586240
23 28143132585701376

List of values

[1, 6, 30, 156, 804, 4152, 21432, 110640, 571152, 2948448, 15220704, 78573504, 405618240, 2093913984, 10809365376, 55800945408, 288059973888, 1487045568000, 7676542115328, 39628441869312, 204573020169216, 1056062731892736, 5451689048586240, 28143132585701376]