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.

A385469 Expansion of e.g.f. 1/(1 - 3 * arctanh(x))^(1/3).

Table of values

n a(n)
0 1
1 1
2 4
3 30
4 312
5 4224
6 70176
7 1384032
8 31590912
9 819254016
10 23792039424
11 764912590848
12 26970073390080
13 1034798724320256
14 42921327875788800
15 1913760046417508352
16 91281373260924026880
17 4637755280044146032640
18 250054580636566927441920
19 14259891701316651909120000

List of values

[1, 1, 4, 30, 312, 4224, 70176, 1384032, 31590912, 819254016, 23792039424, 764912590848, 26970073390080, 1034798724320256, 42921327875788800, 1913760046417508352, 91281373260924026880, 4637755280044146032640, 250054580636566927441920, 14259891701316651909120000]

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

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