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.

A269473 a(n) is the number of rooted 2n-face triangulations in an orientable surface of genus 1.

Table of values

n a(n)
1 1
2 28
3 664
4 14912
5 326496
6 7048192
7 150820608
8 3208396800
9 67968706048
10 1435486650368
11 30246600953856
12 636154755940352
13 13360333295173632
14 280258138588839936
15 5873204471357374464
16 122980760637407232000
17 2573349967992101142528
18 53815038103588370907136

List of values

[1, 28, 664, 14912, 326496, 7048192, 150820608, 3208396800, 67968706048, 1435486650368, 30246600953856, 636154755940352, 13360333295173632, 280258138588839936, 5873204471357374464, 122980760637407232000, 2573349967992101142528, 53815038103588370907136]

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

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