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.

A094468 Numbers k such that sum of 9th powers of divisors of k is divisible by the square of Euler-phi of k.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 14
6 42
7 3810
8 26670
9 34162
10 41256
11 48546
12 87096
13 102486
14 131934
15 210482
16 288792
17 315723
18 318990
19 430122
20 529848
21 609672
22 631446
23 979830
24 1023366
25 1203960
26 1473374
27 1683126
28 1920699
29 2210061
30 2241934
31 2506086
32 2549610

List of values

[1, 2, 3, 6, 14, 42, 3810, 26670, 34162, 41256, 48546, 87096, 102486, 131934, 210482, 288792, 315723, 318990, 430122, 529848, 609672, 631446, 979830, 1023366, 1203960, 1473374, 1683126, 1920699, 2210061, 2241934, 2506086, 2549610]

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

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