A262043 Carmichael numbers (A002997) that are not absolute Euler pseudoprimes (A033181).

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

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

Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..131 from Daniel Lignon)

Crossrefs

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

Sequence in context: A083733 A339869 A214428 * A264012 A175737 A048123

Adjacent sequences: A262040 A262041 A262042 * A262044 A262045 A262046

Keyword

nonn

Author

Daniel Lignon, Sep 09 2015

Status

approved