a(n) is the first number that is the concatenation of n primes and also the product of n primes (counted with multiplicity).
A374665
a(n) is the first number that is the concatenation of n primes and also the product of n primes (counted with multiplicity).
Terms
- a(0) =2a(1) =22a(2) =222a(3) =2223a(4) =22232a(5) =222222a(6) =2222325a(7) =22222272a(8) =222225552a(9) =2222223255a(10) =22222335232a(11) =222222327525
External references
- oeis: A374665