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.

A134615 Numbers (excluding primes and powers of primes) such that the root mean cube of their prime factors is a prime (where the root mean cube of c and d is ((c^3+d^3)/2)^(1/3)).

Table of values

n a(n)
1 707265
2 1922816
3 2284389
4 12023505
5 14689836
6 21150800
7 29444140
8 30682000
9 36533504
10 39372480
11 46309837
12 52163097
13 67303740
14 73558065
15 85751055
16 107366283
17 115291904
18 161976045
19 190384425
20 204399585
21 218317275
22 231443940
23 274960400
24 286618640

List of values

[707265, 1922816, 2284389, 12023505, 14689836, 21150800, 29444140, 30682000, 36533504, 39372480, 46309837, 52163097, 67303740, 73558065, 85751055, 107366283, 115291904, 161976045, 190384425, 204399585, 218317275, 231443940, 274960400, 286618640]

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

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