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.

A284089 Smallest number k such that gcd(phi(k), k-1) = n * lambda(k).

Table of values

n a(n)
1 1
2 2465
3 314821
4 15841
5 658801
6 41041
7 21584305
8 8830801
9 8911
10 11205601
11 3193414093
12 1729
13 9653421961
14 1193229577
15 1232469001
16 69331969
17 1419339691
18 46657
19 587034735001
20 9439201
21 64774081
22 67047668161
23 100929219805
24 7995169
25 1894344001
26 212027401
27 67371265
28 3057601

List of values

[1, 2465, 314821, 15841, 658801, 41041, 21584305, 8830801, 8911, 11205601, 3193414093, 1729, 9653421961, 1193229577, 1232469001, 69331969, 1419339691, 46657, 587034735001, 9439201, 64774081, 67047668161, 100929219805, 7995169, 1894344001, 212027401, 67371265, 3057601]

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

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