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.

A215691 n-th derivative of (x^x)^(x^(x^x)) at x=1.

Table of values

n a(n)
0 1
1 1
2 4
3 18
4 124
5 950
6 8688
7 89600
8 1038392
9 13309272
10 186471480
11 2837173152
12 46466835072
13 815532508440
14 15246845864040
15 302533865599800
16 6344720827608384
17 140208886623418752
18 3254819745378435264
19 79172189409906466560
20 2013138139856523598080

List of values

[1, 1, 4, 18, 124, 950, 8688, 89600, 1038392, 13309272, 186471480, 2837173152, 46466835072, 815532508440, 15246845864040, 302533865599800, 6344720827608384, 140208886623418752, 3254819745378435264, 79172189409906466560, 2013138139856523598080]

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

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