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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.

A199880 Engel expansion of x value of the unique pairwise intersection on (0,1) of distinct order 5 power tower functions with parentheses inserted.

Table of values

n a(n)
1 3
2 4
3 8
4 12
5 15
6 33
7 70
8 4338
9 22062
10 46566
11 98091
12 255284
13 2715877
14 10855925
15 150153128
16 10009347774
17 34679420772
18 43644678207
19 74587800101
20 229110893125
21 233558717156
22 286861037311
23 299617642336
24 312870987050
25 1632483095154
26 31761226898013
27 66327161231576

List of values

[3, 4, 8, 12, 15, 33, 70, 4338, 22062, 46566, 98091, 255284, 2715877, 10855925, 150153128, 10009347774, 34679420772, 43644678207, 74587800101, 229110893125, 233558717156, 286861037311, 299617642336, 312870987050, 1632483095154, 31761226898013, 66327161231576]

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

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