|
|
A112444
|
|
Pseudoprimes (base-2) equal to the product of 6 primes not necessarily distinct.
|
|
1
|
|
|
45593065, 68800501, 81722145, 110851741, 192112921, 226018585, 238018341, 250385401, 265729465, 272479285, 321197185, 329379505, 332633665, 353987481, 357339745, 358466361, 413631505, 415702105, 416392005, 417241045, 421121701, 464790781, 476177905, 483532105
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
a(1) = 45593065 = 5*7*17*19*37*109.
|
|
MATHEMATICA
|
s={}; Do[If[PrimeOmega[n] == 6 && PowerMod[2, n - 1, n] == 1, AppendTo[s, n]], {n, 1, 10^8}]; s (* Amiram Eldar, Nov 10 2019 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|