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.

A133594 a(n)=3*a(n-1)+12*a(n-2) for n>=3, a(0)=1, a(1)=3, a(2)=18 .

Table of values

n a(n)
0 1
1 3
2 18
3 90
4 486
5 2538
6 13446
7 70794
8 373734
9 1970730
10 10396998
11 54839754
12 289283238
13 1525926762
14 8049179142
15 42458658570
16 223966125414
17 1181402279082
18 6231800342214
19 32872228375626
20 173398289233446
21 914661608207850

List of values

[1, 3, 18, 90, 486, 2538, 13446, 70794, 373734, 1970730, 10396998, 54839754, 289283238, 1525926762, 8049179142, 42458658570, 223966125414, 1181402279082, 6231800342214, 32872228375626, 173398289233446, 914661608207850]