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.

A269923 Triangle read by rows: T(n,f) is the number of rooted maps with n edges and f faces on an orientable surface of genus 3.

Table of values

n a(n)
6 1485
7 56628
8 56628
9 1169740
10 2668750
11 1169740
12 17454580
13 66449432
14 66449432
15 17454580
16 211083730
17 1171704435
18 1955808460
19 1171704435
20 211083730
21 2198596400
22 16476937840
23 40121261136
24 40121261136
25 16476937840
26 2198596400
27 20465052608
28 196924458720
29 647739636160

List of values

[1485, 56628, 56628, 1169740, 2668750, 1169740, 17454580, 66449432, 66449432, 17454580, 211083730, 1171704435, 1955808460, 1171704435, 211083730, 2198596400, 16476937840, 40121261136, 40121261136, 16476937840, 2198596400, 20465052608, 196924458720, 647739636160]

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

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