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.

A318000 E.g.f.: log( 2*cosh(x) / (1 + sqrt(1 - 2*sinh(2*x))) ).

Table of values

n a(n)
1 1
2 4
3 24
4 256
5 3840
6 73024
7 1688064
8 45991936
9 1443102720
10 51249316864
11 2032187080704
12 89000317321216
13 4266655914393600
14 222232483747938304
15 12496860570760249344
16 754582425618372100096
17 48694058763984285204480
18 3344368871374116303929344
19 243577066332044464943529984
20 18751361596512920229250072576

List of values

[1, 4, 24, 256, 3840, 73024, 1688064, 45991936, 1443102720, 51249316864, 2032187080704, 89000317321216, 4266655914393600, 222232483747938304, 12496860570760249344, 754582425618372100096, 48694058763984285204480, 3344368871374116303929344, 243577066332044464943529984, 18751361596512920229250072576]

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

Content is available under The OEIS End-User License Agreement.