815009580

Appears in sequences

• Numbers j such that 8*(j^2) + 9 = k^2 for some positive number k.at n=12A106328
• a(n) = sqrt(A299921(n)).at n=36A301318
• a(0)=0, a(1)=18, a(2)=612; a(n) = 35*(a(n-1)-a(n-2))+a(n-3).at n=6A350984