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.

A385502 E.g.f. A(x) satisfies A(x) = exp( arctanh(x * A(x)) / A(x) ).

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 25
5 205
6 2001
7 25991
8 394353
9 6718041
10 130319745
11 2833146987
12 67767170505
13 1772434086501
14 50392083769041
15 1546052750636655
16 50905035315373281
17 1790951445870568113
18 67050161599822764417
19 2661363261252799648083
20 111637709182606749500025

List of values

[1, 1, 1, 3, 25, 205, 2001, 25991, 394353, 6718041, 130319745, 2833146987, 67767170505, 1772434086501, 50392083769041, 1546052750636655, 50905035315373281, 1790951445870568113, 67050161599822764417, 2661363261252799648083, 111637709182606749500025]

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

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