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.

A137941 G.f.: exp(x) = Product_{n>=1} [1 + a(2n-1)*x^(2n-1)/(2n-1)! + a(2n)*x^(2n)/(2n)! ].

Table of values

n a(n)
1 1
2 1
3 1
4 -3
5 6
6 10
7 -195
8 945
9 -3080
10 17136
11 37170
12 -796950
13 3880800
14 122007600
15 -2380685307
16 18531377865
17 -136619683200
18 942469528000
19 723819456360
20 -118481659031736
21 1884943573381440
22 -16067035945724400
23 -323306803861791750
24 15940746503392961250

List of values

[1, 1, 1, -3, 6, 10, -195, 945, -3080, 17136, 37170, -796950, 3880800, 122007600, -2380685307, 18531377865, -136619683200, 942469528000, 723819456360, -118481659031736, 1884943573381440, -16067035945724400, -323306803861791750, 15940746503392961250]