2887921
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- a(n) = numerator(b(n)), where b(1) = b(2) = 1, b(n) = (b(n-1) + b(n-2))/(n-1).at n=16A069943
- Numerator of c(n) where c(0)=1, c(n+1) = n/c(n) + 1.at n=16A072898
- Denominator of c(n) where c(0)=1 c(n+1) = n/c(n) + 1.at n=17A072899
- a(n) = denominator of 1/(1 + 1/(1 + 2/(1 + ... (1 + n)))).at n=14A289491
- a(n) = A000085(4*n)/2^n.at n=4A316330
- Prime numbersat n=209307