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A328938 Least imprimitive Carmichael number (A328935) with n prime factors. 0
294409, 167979421, 1152091655881, 62411762908817281, 1516087654274358001 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

COMMENTS

a(8) > 2^64.

From Daniel Suteu, Feb 17 2020: (Start)

a(8)  <= 42310088783100741554666880481,

a(9)  <= 21593590390253023722267234622513201,

a(10) <= 16412975107923138847512341751620644377601,

a(11) <= 325533792014488126487416882038879701391121. (End)

LINKS

Table of n, a(n) for n=3..7.

Andrew Granville and Carl Pomerance, Two contradictory conjectures concerning Carmichael numbers, Mathematics of Computation, Vol. 71, No. 238 (2002), pp. 883-908.

CROSSREFS

Cf. A002997, A006931, A328935.

Sequence in context: A335584 A182206 A178997 * A291637 A206237 A236153

Adjacent sequences:  A328935 A328936 A328937 * A328939 A328940 A328941

KEYWORD

nonn,more

AUTHOR

Amiram Eldar, Oct 31 2019

STATUS

approved

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Last modified January 28 06:43 EST 2022. Contains 350654 sequences. (Running on oeis4.)