A292573 Least Lucas-Carmichael number whose Dedekind psi value is an n-th power.

399, 935, 8855, 935, 191807, 31535, 2376401921999, 287432495, 3512071871, 443155187061431999, 269174015, 7187117143679, 13153784862132539999, 16794805460009764607, 12239445970372607, 308403604421150344874999, 1940371455953001599, 22735742424704664191, 193426182224210221055, 2674275760170030054482343935

Offset: 1

Author

Amiram Eldar, Sep 19 2017

Keywords

• nonn

Comments

There are no other terms below 10^12.

Examples

			psi(8855) = 24^3 while the psi values of smaller Lucas-Carmichael numbers are not cubes, therefore a(3) = 8855.
		

Links

• Max Alekseyev, Table of n, a(n) for n = 1..45

Crossrefs

Cf. A001615, A006972, A290805, A292571, A292572.

Extensions

a(7),a(10),a(12)-a(26) from Max Alekseyev, May 01 2024