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.

A140745 Smallest prime p such that the Mersenne number A000225(p) = 2^p - 1 has exactly n prime factors (counted with multiplicity).

Table of values

n a(n)
1 2
2 11
3 29
4 157
5 113
6 223
7 491
8 431
9 397

List of values

[2, 11, 29, 157, 113, 223, 491, 431, 397]