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.

A319850 Number of distinct positive integers that can be obtained, starting with the initial interval partition (1, ..., n), by iteratively adding or multiplying together parts until only one part remains.

Table of values

n a(n)
1 1
2 2
3 5
4 21
5 94
6 446
7 2287
8 12568
9 78509

List of values

[1, 2, 5, 21, 94, 446, 2287, 12568, 78509]