Carmichael numbers c with record number of primes p such that c*p is also a Carmichael number.
A292367
Carmichael numbers c with record number of primes p such that c*p is also a Carmichael number.
Terms
- a(0) =561a(1) =1729a(2) =41041a(3) =1615681a(4) =14676481a(5) =40622401a(6) =173085121a(7) =367804801a(8) =631071001a(9) =8494657921a(10) =138399075361a(11) =432081216001a(12) =997803878401
External references
- oeis: A292367