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.

A180065 Smallest strong pseudoprime to base 2 with n prime factors.

Table of values

n a(n)
2 2047
3 15841
4 800605
5 293609485
6 10761055201
7 5478598723585
8 713808066913201
9 90614118359482705
10 5993318051893040401
11 24325630440506854886701
12 27146803388402594456683201
13 4365221464536367089854499301
14 2162223198751674481689868383601
15 548097717006566233800428685318301

List of values

[2047, 15841, 800605, 293609485, 10761055201, 5478598723585, 713808066913201, 90614118359482705, 5993318051893040401, 24325630440506854886701, 27146803388402594456683201, 4365221464536367089854499301, 2162223198751674481689868383601, 548097717006566233800428685318301]

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

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