OFFSET
1,1
COMMENTS
Or composite terms of A064078.
LINKS
Jeppe Stig Nielsen, Table of n, a(n) for n = 1..1000
EXAMPLE
For q=256999, 486737, 2304167 and 536870911, the multiplicative order of 2 mod q is A143584(5) = 29, so a(5) = 536870911.
PROG
(PARI) for(k=1, 200, m=polcyclo(k, 2); m/=gcd(m, k); m!=1&&!isprime(m)&&print1(m, ", ")) \\ Jeppe Stig Nielsen, Aug 31 2020
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Shevelev, Aug 26 2008
EXTENSIONS
More terms from Hugo Pfoertner, Aug 31 2020
STATUS
approved