656909

Appears in sequences

• Numerators of continued fraction convergents to sqrt(805).at n=9A042552
• a(n) = Re(b(n)) where b(n)=(1+i)*b(n-1)+b(n-2), with b(1)=0, b(2)=1.at n=27A143056
• a(n) = a(n-1)^2 - a(n-1) - 1, a(0)=6.at n=3A144746
• a(n) = (p_n + 1)*q_n - 1; where (p_n, q_n) is the n-th twin prime pair.at n=30A328493