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A292573 revision #22

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

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OFFSET

1,1

COMMENTS

There are no other terms below 10^12.

LINKS

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

EXAMPLE

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

CROSSREFS

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

Sequence in context: A253597 A006972 A216925 * A299213 A206536 A292538