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.

A380243 Number of rooted 2n-regular planar maps with 3 vertices.

Table of values

n a(n)
1 1
2 54
3 3000
4 171500
5 10001880
6 591666768
7 35371207872
8 2131746903000
9 129299660919000
10 7883256659941520
11 482689850761774656
12 29661047546558142624
13 1828220386252351000000
14 112982297841774018000000
15 6998159395715622920640000
16 434337846995341921726638000
17 27004842919501042631643927000

List of values

[1, 54, 3000, 171500, 10001880, 591666768, 35371207872, 2131746903000, 129299660919000, 7883256659941520, 482689850761774656, 29661047546558142624, 1828220386252351000000, 112982297841774018000000, 6998159395715622920640000, 434337846995341921726638000, 27004842919501042631643927000]

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

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