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.

A177220 Smallest numbers with properties: products of two distinct primes of the form a(k)=2^n*m-(2^n-1), n:0->k.

Table of values

n a(n)
1 6
2 26
3 33
4 247
5 247
6 634
7 694
8 11293
9 31261
10 31261
11 173311
12 173311
13 2212801

List of values

[6, 26, 33, 247, 247, 634, 694, 11293, 31261, 31261, 173311, 173311, 2212801]