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.

A153133 Primes of the form 2^k+3^(k-1).

Table of values

n a(n)
1 3
2 7
3 17
4 43
5 113
6 307
7 857
8 20707
9 181243
10 539633
11 14414443
12 129402307
13 31389448217
14 1853028778786433
15 5559077746424707
16 50031613818476443
17 150094772735952593
18 8862938260389989451257
19 26588814640432479998443

List of values

[3, 7, 17, 43, 113, 307, 857, 20707, 181243, 539633, 14414443, 129402307, 31389448217, 1853028778786433, 5559077746424707, 50031613818476443, 150094772735952593, 8862938260389989451257, 26588814640432479998443]