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.

A360023 Expansion of e.g.f. x*exp(x)*(cosh(x))^2.

Table of values

n a(n)
0 0
1 1
2 2
3 9
4 28
5 105
6 366
7 1281
8 4376
9 14769
10 49210
11 162393
12 531444
13 1727193
14 5580134
15 17936145
16 57395632
17 182948577
18 581130738
19 1840247337
20 5811307340
21 18305618121
22 57531942622
23 180441092769
24 564859072968
25 1765184603025
26 5507375961386
27 17157594341241
28 53379182394916
29 165856745298489

List of values

[0, 1, 2, 9, 28, 105, 366, 1281, 4376, 14769, 49210, 162393, 531444, 1727193, 5580134, 17936145, 57395632, 182948577, 581130738, 1840247337, 5811307340, 18305618121, 57531942622, 180441092769, 564859072968, 1765184603025, 5507375961386, 17157594341241, 53379182394916, 165856745298489]

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

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