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.

A283793 Number of elements formable in <= n steps, starting with 4 elements, combining 2 elements into a new element at each step.

Table of values

n a(n)
0 4
1 14
2 109
3 5999
4 17997004
5 161946085486514
6 13113267302202731189080679359
7 85978889669509647874887802052390686151982448025024665124

List of values

[4, 14, 109, 5999, 17997004, 161946085486514, 13113267302202731189080679359, 85978889669509647874887802052390686151982448025024665124]

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

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