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.

A143522 a(n) = n-fold Dumont operator of x evaluated at x=1, y=1, z=2.

Table of values

n a(n)
0 1
1 2
2 5
3 18
4 93
5 618
6 4905
7 45162
8 474777
9 5618322
10 73895085
11 1069104258
12 16873062453
13 288485314938
14 5311769483025
15 104789840677722
16 2205098925335217
17 49302142664941602
18 1167150946521879765

List of values

[1, 2, 5, 18, 93, 618, 4905, 45162, 474777, 5618322, 73895085, 1069104258, 16873062453, 288485314938, 5311769483025, 104789840677722, 2205098925335217, 49302142664941602, 1167150946521879765]

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

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