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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.

A291994 Primes of the form Phi(k, -6), where Phi is the cyclotomic polynomial.

Table of values

n a(n)
1 31
2 37
3 43
4 1297
5 46441
6 51828151
7 55987
8 1950271
9 2527867231
10 1678321
11 3655688315536801
12 189491931189200021056951
13 1822428931
14 412482688627178079807598675848631
15 4760317816590150361
16 534577564460822791430647883899825591
17 7369130657357778596659

List of values

[31, 37, 43, 1297, 46441, 51828151, 55987, 1950271, 2527867231, 1678321, 3655688315536801, 189491931189200021056951, 1822428931, 412482688627178079807598675848631, 4760317816590150361, 534577564460822791430647883899825591, 7369130657357778596659]

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

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