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.

A211874 Primes of the form Phi_k(3), the k-th cyclotomic polynomial evaluated at 3.

Table of values

n a(n)
1 2
2 7
3 13
4 61
5 73
6 547
7 757
8 1093
9 4561
10 6481
11 368089
12 398581
13 530713
14 797161
15 42521761
16 47763361
17 2413941289
18 23535794707
19 282429005041
20 374857981681
21 144542918285300809
22 150094634909578633
23 13490012358249728401
24 82064241848634269407

List of values

[2, 7, 13, 61, 73, 547, 757, 1093, 4561, 6481, 368089, 398581, 530713, 797161, 42521761, 47763361, 2413941289, 23535794707, 282429005041, 374857981681, 144542918285300809, 150094634909578633, 13490012358249728401, 82064241848634269407]

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

Content is available under The OEIS End-User License Agreement.