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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.

A295104 a(n) = (1/n) times the n-th derivative of the fourth tetration of x (power tower of order 4) x^^4 at x=1.

Table of values

n a(n)
1 1
2 1
3 3
4 14
5 72
6 489
7 3722
8 33641
9 334520
10 3761688
11 45898272
12 615641806
13 8863726704
14 137786878644
15 2279658872696
16 40229212948404
17 750433323448128
18 14801457167223872
19 306869893647304896
20 6683254543551623904
21 152281219079726183040
22 3626445842114839589952

List of values

[1, 1, 3, 14, 72, 489, 3722, 33641, 334520, 3761688, 45898272, 615641806, 8863726704, 137786878644, 2279658872696, 40229212948404, 750433323448128, 14801457167223872, 306869893647304896, 6683254543551623904, 152281219079726183040, 3626445842114839589952]

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

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