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.

A048800 E.g.f. satisfies A(x) = 1 + x * A(x / (1 - x)).

Table of values

n a(n)
0 1
1 1
2 2
3 12
4 120
5 1800
6 37440
7 1023120
8 35360640
9 1502323200
10 76738233600
11 4629350880000
12 325036115712000
13 26238156161817600
14 2409994778846054400
15 249634150247978496000
16 28935351060849192960000
17 3727654806346921562112000
18 530531863561703729037312000

List of values

[1, 1, 2, 12, 120, 1800, 37440, 1023120, 35360640, 1502323200, 76738233600, 4629350880000, 325036115712000, 26238156161817600, 2409994778846054400, 249634150247978496000, 28935351060849192960000, 3727654806346921562112000, 530531863561703729037312000]

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

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