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.

A172156 Primes in the chain of repeated application of x->2*x+3, starting at x=2.

Table of values

n a(n)
1 7
2 17
3 37
4 157
5 317
6 1277
7 2557
8 20477
9 655357
10 5242877
11 671088637
12 2684354557
13 5368709117
14 343597383677
15 23058430092136939517
16 23611832414348226068477
17 48357032784585166988247037
18 830767497365572420564879412675215357

List of values

[7, 17, 37, 157, 317, 1277, 2557, 20477, 655357, 5242877, 671088637, 2684354557, 5368709117, 343597383677, 23058430092136939517, 23611832414348226068477, 48357032784585166988247037, 830767497365572420564879412675215357]

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

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