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.

A133212 a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3), n > 3; a(0) = 1, a(1) = 4, a(2) = 12, a(3) = 32.

Table of values

n a(n)
0 1
1 4
2 12
3 32
4 72
5 144
6 272
7 512
8 992
9 1984
10 4032
11 8192
12 16512
13 33024
14 65792
15 131072
16 261632
17 523264
18 1047552
19 2097152
20 4196352
21 8392704
22 16781312
23 33554432
24 67100672
25 134201344
26 268419072
27 536870912
28 1073774592
29 2147549184

List of values

[1, 4, 12, 32, 72, 144, 272, 512, 992, 1984, 4032, 8192, 16512, 33024, 65792, 131072, 261632, 523264, 1047552, 2097152, 4196352, 8392704, 16781312, 33554432, 67100672, 134201344, 268419072, 536870912, 1073774592, 2147549184]