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.

A087398 Primes of the form primorial(P(k))/2-2.

Table of values

n a(n)
1 13
2 103
3 1153
4 15013
5 255253
6 4849843
7 111546433
8 100280245063
9 152125131763603
10 16294579238595022363
11 278970415063349480483707693
12 11992411764462614086353260819346129198103
13 481473710367991963528473107950567214598209565303106537707981745633

List of values

[13, 103, 1153, 15013, 255253, 4849843, 111546433, 100280245063, 152125131763603, 16294579238595022363, 278970415063349480483707693, 11992411764462614086353260819346129198103, 481473710367991963528473107950567214598209565303106537707981745633]

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

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