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.

A154968 a(n) = 4*a(n-1) + 12*a(n-2), n>2 with a(0)=1, a(1)=1, a(2)=7.

Table of values

n a(n)
0 1
1 1
2 7
3 40
4 244
5 1456
6 8752
7 52480
8 314944
9 1889536
10 11337472
11 68024320
12 408146944
13 2448879616
14 14693281792
15 88159682560
16 528958111744
17 3173748637696
18 19042491891712
19 114254951219200
20 685529707577344

List of values

[1, 1, 7, 40, 244, 1456, 8752, 52480, 314944, 1889536, 11337472, 68024320, 408146944, 2448879616, 14693281792, 88159682560, 528958111744, 3173748637696, 19042491891712, 114254951219200, 685529707577344]