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.

A000749 a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3), n > 3, with a(0)=a(1)=a(2)=0, a(3)=1.

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 4
5 10
6 20
7 36
8 64
9 120
10 240
11 496
12 1024
13 2080
14 4160
15 8256
16 16384
17 32640
18 65280
19 130816
20 262144
21 524800
22 1049600
23 2098176
24 4194304
25 8386560
26 16773120
27 33550336
28 67108864
29 134225920
30 268451840
31 536887296
32 1073741824
33 2147450880

List of values

[0, 0, 0, 1, 4, 10, 20, 36, 64, 120, 240, 496, 1024, 2080, 4160, 8256, 16384, 32640, 65280, 130816, 262144, 524800, 1049600, 2098176, 4194304, 8386560, 16773120, 33550336, 67108864, 134225920, 268451840, 536887296, 1073741824, 2147450880]