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.

A138228 Atomic numbers at the top of the 18 groups of the Mendeleyev-Seaborg table A138724.

Table of values

n a(n)
0 1
1 4
2 21
3 22
4 23
5 24
6 25
7 26
8 27
9 28
10 29
11 30
12 5
13 6
14 7
15 8
16 9
17 2

List of values

[1, 4, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 5, 6, 7, 8, 9, 2]

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

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