194307

Appears in sequences

• a(n) = 16*a(n-1) - a(n-2) with a(0) = 0, a(1) = 3.at n=5A001080
• Denominators of continued fraction convergents to sqrt(7).at n=19A041009
• Denominators of continued fraction convergents to sqrt(28).at n=9A041045
• Numbers k such that 7*k^2 = floor(k*sqrt(7)*ceiling(k*sqrt(7))).at n=9A084069
• Square root of floor[A055859(n)/7].at n=16A204517
• Denominators of the other-side convergents to sqrt(7).at n=18A259596
• Denominators of the continued fraction convergents to sqrt(7)/2.at n=9A294973