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.

A063727 a(n) = 2*a(n-1) + 4*a(n-2), a(0)=1, a(1)=2.

Table of values

n a(n)
0 1
1 2
2 8
3 24
4 80
5 256
6 832
7 2688
8 8704
9 28160
10 91136
11 294912
12 954368
13 3088384
14 9994240
15 32342016
16 104660992
17 338690048
18 1096024064
19 3546808320
20 11477712896
21 37142659072
22 120196169728
23 388962975744
24 1258710630400

List of values

[1, 2, 8, 24, 80, 256, 832, 2688, 8704, 28160, 91136, 294912, 954368, 3088384, 9994240, 32342016, 104660992, 338690048, 1096024064, 3546808320, 11477712896, 37142659072, 120196169728, 388962975744, 1258710630400]