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.

A215629 n-th derivative of x^(x^((x^x)^x)) at x=1.

Table of values

n a(n)
0 1
1 1
2 2
3 9
4 80
5 660
6 6714
7 77084
8 1005640
9 14572944
10 233086920
11 4066783512
12 76906345944
13 1566049091568
14 34153725715368
15 793996577407560
16 19595885746343808
17 511550462381982528
18 14080034085212120256
19 407434430977558009344
20 12363449947108075756800

List of values

[1, 1, 2, 9, 80, 660, 6714, 77084, 1005640, 14572944, 233086920, 4066783512, 76906345944, 1566049091568, 34153725715368, 793996577407560, 19595885746343808, 511550462381982528, 14080034085212120256, 407434430977558009344, 12363449947108075756800]

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

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