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A262043 Carmichael numbers (A002997) that are not absolute Euler pseudoprimes (A033181). 2
561, 1105, 2821, 6601, 8911, 10585, 29341, 52633, 62745, 63973, 101101, 115921, 126217, 188461, 252601, 278545, 294409, 314821, 334153, 340561, 410041, 512461, 552721, 658801, 748657, 825265, 852841, 1024651, 1033669, 1082809, 1152271, 1193221, 1461241, 1569457, 1909001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

These are composite numbers n such that b^(n-1) == 1 (mod n) and abs(b^((n-1)/2) mod n) <> 1 for every b coprime to n.

LINKS

Daniel Lignon, Table of n, a(n) for n = 1..131

CROSSREFS

Cf. A002997 (Carmichael numbers), A033181 (absolute Euler pseudoprimes).

Sequence in context: A263403 A083733 A214428 * A264012 A175737 A048123

Adjacent sequences:  A262040 A262041 A262042 * A262044 A262045 A262046

KEYWORD

nonn

AUTHOR

Daniel Lignon, Sep 09 2015

STATUS

approved

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Last modified July 21 17:51 EDT 2017. Contains 289643 sequences.