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.

A348149 Variation of the Barnyard sequence A347581: a(n) is the minimum number of unit-length line segments required to enclose areas of 1 through n on a square grid when the number of segments is minimized as each area of incrementing size, starting at 1, is added.

Table of values

n a(n)
1 4
2 9
3 14
4 20
5 26
6 33
7 40
8 48
9 55
10 64

List of values

[4, 9, 14, 20, 26, 33, 40, 48, 55, 64]