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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.

A287047 a(n) is the number of rooted maps with n edges and 7 faces on an orientable surface of genus 1.

Table of values

n a(n)
8 60060
9 3944928
10 129726760
11 2908358552
12 50534154408
13 729734918432
14 9145847808784
15 102432266545800
16 1046677747672360
17 9908748651241088
18 87930943305742512
19 738178726378902064
20 5905479331377981200
21 45289976937922983360
22 334600965220354244896
23 2391127223524518889064
24 16585285393291515557928

List of values

[60060, 3944928, 129726760, 2908358552, 50534154408, 729734918432, 9145847808784, 102432266545800, 1046677747672360, 9908748651241088, 87930943305742512, 738178726378902064, 5905479331377981200, 45289976937922983360, 334600965220354244896, 2391127223524518889064, 16585285393291515557928]

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

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