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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.

A007219 Number of golygons of order 8n (or serial isogons of order 8n).

Table of values

n a(n)
1 1
2 28
3 2108
4 227322
5 30276740
6 4541771016
7 739092675672
8 127674038970623
9 23085759901610016
10 4327973308197103600
11 835531767841066680300
12 165266721954751746697155
13 33364181616540879268092840

List of values

[1, 28, 2108, 227322, 30276740, 4541771016, 739092675672, 127674038970623, 23085759901610016, 4327973308197103600, 835531767841066680300, 165266721954751746697155, 33364181616540879268092840]

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

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