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.

A215522 n-th derivative of (x^x)^(x^x) at x=1.

Table of values

n a(n)
0 1
1 1
2 4
3 18
4 100
5 650
6 4908
7 41090
8 382520
9 3863808
10 42409440
11 497972112
12 6259762320
13 83343114504
14 1175904241848
15 17442325040520
16 272149555445760
17 4438451554802880
18 75714874759039104
19 1343817666163911168
20 24837691533530152320
21 475811860099666527360

List of values

[1, 1, 4, 18, 100, 650, 4908, 41090, 382520, 3863808, 42409440, 497972112, 6259762320, 83343114504, 1175904241848, 17442325040520, 272149555445760, 4438451554802880, 75714874759039104, 1343817666163911168, 24837691533530152320, 475811860099666527360]