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.

A268462 Expansion of (2 x^4*(5 - 12*x + 8*x^2))/(1 - 2*x)^4.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 10
5 56
6 224
7 768
8 2400
9 7040
10 19712
11 53248
12 139776
13 358400
14 901120
15 2228224
16 5431296
17 13074432
18 31129600
19 73400320
20 171573248
21 397934592
22 916455424
23 2097152000
24 4771020800
25 10796138496
26 24310185984
27 54492397568
28 121634816000
29 270448721920
30 599147937792

List of values

[0, 0, 0, 0, 10, 56, 224, 768, 2400, 7040, 19712, 53248, 139776, 358400, 901120, 2228224, 5431296, 13074432, 31129600, 73400320, 171573248, 397934592, 916455424, 2097152000, 4771020800, 10796138496, 24310185984, 54492397568, 121634816000, 270448721920, 599147937792]