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.

A268598 Expansion of x^5*(4 - 5*x)/(1 - 2*x)^4.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 4
6 27
7 120
8 440
9 1440
10 4368
11 12544
12 34560
13 92160
14 239360
15 608256
16 1517568
17 3727360
18 9031680
19 21626880
20 51249152
21 120324096
22 280166400
23 647495680
24 1486356480
25 3391094784
26 7693402112
27 17364418560
28 39007027200
29 87241523200
30 194330492928

List of values

[0, 0, 0, 0, 0, 4, 27, 120, 440, 1440, 4368, 12544, 34560, 92160, 239360, 608256, 1517568, 3727360, 9031680, 21626880, 51249152, 120324096, 280166400, 647495680, 1486356480, 3391094784, 7693402112, 17364418560, 39007027200, 87241523200, 194330492928]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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