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.

A268654 E.g.f.: exp( T(T(T(T(x)))) ), where T(x) = -LambertW(-x) is Euler's tree function (A000169).

Table of values

n a(n)
0 1
1 1
2 9
3 133
4 2729
5 71721
6 2300485
7 87194689
8 3815719969
9 189440927857
10 10525328121221
11 647265172064985
12 43660242639018241
13 3205987437435132793
14 254635755560090281525
15 21755037223870035810001
16 1989746853200670755116865
17 194000891136578173746676449
18 20089033883934411591428091013
19 2202022786357483714102765694185

List of values

[1, 1, 9, 133, 2729, 71721, 2300485, 87194689, 3815719969, 189440927857, 10525328121221, 647265172064985, 43660242639018241, 3205987437435132793, 254635755560090281525, 21755037223870035810001, 1989746853200670755116865, 194000891136578173746676449, 20089033883934411591428091013, 2202022786357483714102765694185]

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

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