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.

A078943 a(1)=1; a(n+1) is either a(n)-n or a(n)+n, where we choose the smallest positive integer that's not among the values a(1), ..., a(n).

Table of values

n a(n)
1 1
2 2
3 4
4 7
5 3
6 8
7 14
8 21
9 13
10 22
11 12
12 23
13 11
14 24
15 10
16 25
17 9
18 26
19 44
20 63
21 43
22 64
23 42
24 19

List of values

[1, 2, 4, 7, 3, 8, 14, 21, 13, 22, 12, 23, 11, 24, 10, 25, 9, 26, 44, 63, 43, 64, 42, 19]