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.

A037281 Number of iterations of transformation in A037280 needed to reach 1 or a prime, or -1 if no such number exists.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 0
6 1
7 0
8 1
9 1
10 2
11 0

List of values

[0, 0, 0, 1, 0, 1, 0, 1, 1, 2, 0]