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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.

A386775 Place a point on the integer coordinates, up to |k|, along all four axial directions on a Cartesian plane, and then join an infinite straight line between every pair of points: a(n) is the smallest k such that n lines intersect at a point not on the axes.

Table of values

n a(n)
2 2
3 3
4 4
5 6
6 8
7 9
8 9
9 10
10 14
11 16
12 18
13 20
14 24
15 25
16 26
17 30
18 34
19 36

List of values

[2, 3, 4, 6, 8, 9, 9, 10, 14, 16, 18, 20, 24, 25, 26, 30, 34, 36]

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

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