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.

A098560 Expansion of e.g.f. (1+4*x)/(1-4*x).

Table of values

n a(n)
0 1
1 8
2 64
3 768
4 12288
5 245760
6 5898240
7 165150720
8 5284823040
9 190253629440
10 7610145177600
11 334846387814400
12 16072626615091200
13 835776583984742400
14 46803488703145574400
15 2808209322188734464000
16 179725396620079005696000

List of values

[1, 8, 64, 768, 12288, 245760, 5898240, 165150720, 5284823040, 190253629440, 7610145177600, 334846387814400, 16072626615091200, 835776583984742400, 46803488703145574400, 2808209322188734464000, 179725396620079005696000]

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

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