212353
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- The first primes in centuries with three primes.at n=12A157131
- Fibonacci with priority for primes: a(0)=0, a(1)=1, for n >= 2, a(n) = a(n-1) + a(k), where 0 < k <= n-2 is maximal index such that a(n-1) + a(k) is prime. If there is no such k, then a(n) = a(n-1) + a(n-2).at n=43A216231
- Prime numbersat n=18999