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.

A268653 E.g.f.: exp( 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 7
3 82
4 1345
5 28396
6 734149
7 22485898
8 796769201
9 32084546824
10 1447917011461
11 72411962077126
12 3976481464087609
13 237939307837951708
14 15412492927027232261
15 1074675869343994244266
16 80270802348342665849569
17 6395153963612453962942096
18 541390375948749181692141061
19 48536543026953818449535683054
20 4594206854845500504888845269481
21 457878082780635055560866092165156
22 47930551834845432770784732668907205

List of values

[1, 1, 7, 82, 1345, 28396, 734149, 22485898, 796769201, 32084546824, 1447917011461, 72411962077126, 3976481464087609, 237939307837951708, 15412492927027232261, 1074675869343994244266, 80270802348342665849569, 6395153963612453962942096, 541390375948749181692141061, 48536543026953818449535683054, 4594206854845500504888845269481, 457878082780635055560866092165156, 47930551834845432770784732668907205]

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

Content is available under The OEIS End-User License Agreement.