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.

A007788 Number of augmented Andre 3-signed permutations: E.g.f. (1-sin(3*x))^(-1/3).

Table of values

n a(n)
0 1
1 1
2 4
3 19
4 136
5 1201
6 13024
7 165619
8 2425216
9 40132801
10 740882944
11 15091932019
12 336257744896
13 8134269015601
14 212309523595264
15 5946914908771219
16 177934946000306176
17 5663754614516217601
18 191097349696090537984
19 6812679868133940475219
20 255885704427935576621056

List of values

[1, 1, 4, 19, 136, 1201, 13024, 165619, 2425216, 40132801, 740882944, 15091932019, 336257744896, 8134269015601, 212309523595264, 5946914908771219, 177934946000306176, 5663754614516217601, 191097349696090537984, 6812679868133940475219, 255885704427935576621056]

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

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