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.

A215705 n-th derivative of x^((x^x)^x) at x=1.

Table of values

n a(n)
0 1
1 1
2 2
3 15
4 80
5 590
6 5034
7 47110
8 511216
9 6019416
10 77899320
11 1092871824
12 16459538952
13 265695302808
14 4560878625744
15 83020743848760
16 1595943389477760
17 32291354360340672
18 685838983512807360
19 15248888357184824256
20 354130117874225585280
21 8571971677758345319680

List of values

[1, 1, 2, 15, 80, 590, 5034, 47110, 511216, 6019416, 77899320, 1092871824, 16459538952, 265695302808, 4560878625744, 83020743848760, 1595943389477760, 32291354360340672, 685838983512807360, 15248888357184824256, 354130117874225585280, 8571971677758345319680]

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

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