184993

Properties

Appears in sequences

• a(n) = a(n-1) - a(n-2) + a(n-3) + a(n-4), a(0)=4, a(1)=1, a(2)=-1, a(3)=1.at n=47A073937
• Numbers k such that (49*10^k - 67)/9 is prime.at n=23A291609
• Prime numbersat n=16743