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.

A217274 a(n) = 7*a(n-1) - 14*a(n-2) + 7*a(n-3) with a(0)=0, a(1)=1, a(2)=7.

Table of values

n a(n)
0 0
1 1
2 7
3 35
4 154
5 637
6 2548
7 9996
8 38759
9 149205
10 571781
11 2184910
12 8333871
13 31750824
14 120875944
15 459957169
16 1749692735
17 6654580387
18 25306064602
19 96226175941
20 365880389868
21 1391138718116
22 5289228800247
23 20109822277181
24 76457523763621
25 290689756066542

List of values

[0, 1, 7, 35, 154, 637, 2548, 9996, 38759, 149205, 571781, 2184910, 8333871, 31750824, 120875944, 459957169, 1749692735, 6654580387, 25306064602, 96226175941, 365880389868, 1391138718116, 5289228800247, 20109822277181, 76457523763621, 290689756066542]