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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.

A290805 Least Carmichael number whose Euler totient function value is an n-th power.

Table of values

n a(n)
1 561
2 1729
3 63973
4 1729
5 367939585
6 63973
7 294409
8 232289960085001
9 11570858964626401
10 79939760257
11 509033161
12 611559276803883001
13 13079177569
14 27685385948423487745
15 26979791457662785
16 287290964059686145
17 13046319747121261903830001
18 7847507962539316696504321
19 993942550111105
20 6280552422566791778305
21 24283361157780097
22 759608966313690599499265
23 6657107145346817668085761
24 283219223388059484626764342346640001

List of values

[561, 1729, 63973, 1729, 367939585, 63973, 294409, 232289960085001, 11570858964626401, 79939760257, 509033161, 611559276803883001, 13079177569, 27685385948423487745, 26979791457662785, 287290964059686145, 13046319747121261903830001, 7847507962539316696504321, 993942550111105, 6280552422566791778305, 24283361157780097, 759608966313690599499265, 6657107145346817668085761, 283219223388059484626764342346640001]

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

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