912670090

Appears in sequences

• Extracting a square root.at n=2A006242
• Arises from generalized Lucas-Lehmer test for primality.at n=12A018844
• Numerators of continued fraction convergents to sqrt(96).at n=17A041172
• Numerators of continued fraction convergents to sqrt(864).at n=17A042668
• a(n) = 10*a(n-1) - a(n-2), starting with a(0) = 2 and a(1) = 10.at n=9A087799
• Numbers such that floor(a(n)^2 / 6) is a square.at n=29A204518
• a(n) = 2 * T(n,(n+1)/2) where T(n,x) is a Chebyshev polynomial of the first kind.at n=9A343260