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.

A275759 E.g.f. satisfies: A(x)^A(-x) = exp(2*x) * A(-x)^A(x).

Table of values

n a(n)
0 1
1 1
2 0
3 -5
4 0
5 196
6 0
7 -21440
8 0
9 4605736
10 0
11 -1636894280
12 0
13 869411900176
14 0
15 -645115754969600
16 0
17 637400080589929216
18 0
19 -808996241179323833600
20 0
21 1282689609051390935443456
22 0
23 -2484567925086557616137108480
24 0
25 5773170916638182711440802000896
26 0
27 -15849498359717283169328377665597440
28 0
29 50754498157679863282024469922251431936
30 0
31 -187503919340846371804132353057069945159680

List of values

[1, 1, 0, -5, 0, 196, 0, -21440, 0, 4605736, 0, -1636894280, 0, 869411900176, 0, -645115754969600, 0, 637400080589929216, 0, -808996241179323833600, 0, 1282689609051390935443456, 0, -2484567925086557616137108480, 0, 5773170916638182711440802000896, 0, -15849498359717283169328377665597440, 0, 50754498157679863282024469922251431936, 0, -187503919340846371804132353057069945159680]

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

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