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.

A288247 2 * smallest possible area of a simple n-sided lattice polygon whose vertex coordinates x and y are both independent permutations of the integers 1 ... n, subject to the condition that none of its edges are mutually parallel.

Table of values

n a(n)
3 3
4 2
5 3
6 8
7 9
8 7
9 9
10 8
11 11
12 12
13 12
14 13
15 14
16 14
17 15
18 16
19 17
20 18
21 19
22 20
23 21

List of values

[3, 2, 3, 8, 9, 7, 9, 8, 11, 12, 12, 13, 14, 14, 15, 16, 17, 18, 19, 20, 21]

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

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