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.

A217052 a(n) = 3*a(n-1) + 24*a(n-2) + a(n-3), with a(0)=a(1)=1, and a(2)=19.

Table of values

n a(n)
0 1
1 1
2 19
3 82
4 703
5 4096
6 29242
7 186733
8 1266103
9 8309143
10 55500634
11 367187437
12 2441886670
13 16193659132
14 107553444913
15 713750040577
16 4738726458775
17 31453733795086
18 208804386436435
19 1386041496850144
20 9200883498819958
21 61076450807299765
22 405436597890428431

List of values

[1, 1, 19, 82, 703, 4096, 29242, 186733, 1266103, 8309143, 55500634, 367187437, 2441886670, 16193659132, 107553444913, 713750040577, 4738726458775, 31453733795086, 208804386436435, 1386041496850144, 9200883498819958, 61076450807299765, 405436597890428431]