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.

A080093 Let sum(k>=0, k^n/(2*k+1)!) = (x(n)*e + y(n)/e)/z(n), where x(n) and z(n) are >0, then a(n)=x(n).

Table of values

n a(n)
1 0
2 1
3 1
4 2
5 11
6 41
7 81
8 715
9 3425
10 8861
11 98253
12 580317
13 1816640
14 24011157
15 166888165
16 608035190
17 9264071767
18 73600798037
19 304238004061
20 5224266196935
21 46499892038437
22 214184962059157
23 4078345814329009
24 40073660040755337

List of values

[0, 1, 1, 2, 11, 41, 81, 715, 3425, 8861, 98253, 580317, 1816640, 24011157, 166888165, 608035190, 9264071767, 73600798037, 304238004061, 5224266196935, 46499892038437, 214184962059157, 4078345814329009, 40073660040755337]