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.

A215008 a(n) = 7*a(n-1) - 14*a(n-2) + 7*a(n-3), a(0)=0, a(1)=1, a(2)=5.

Table of values

n a(n)
0 0
1 1
2 5
3 21
4 84
5 329
6 1274
7 4900
8 18767
9 71687
10 273371
11 1041348
12 3964051
13 15083082
14 57374296
15 218205281
16 829778397
17 3155194917
18 11996903828
19 45614046737
20 173428037986
21 659377938380
22 2506951364015
23 9531364676687
24 36237879209259
25 137774708539300
26 523812203582283
27 1991504659990594

List of values

[0, 1, 5, 21, 84, 329, 1274, 4900, 18767, 71687, 273371, 1041348, 3964051, 15083082, 57374296, 218205281, 829778397, 3155194917, 11996903828, 45614046737, 173428037986, 659377938380, 2506951364015, 9531364676687, 36237879209259, 137774708539300, 523812203582283, 1991504659990594]