76443

Appears in sequences

• Numbers k such that the decimal part of k^(1/6) starts with a 'nine digits' anagram.at n=28A034281
• a(n) = 5^n*cos(2*n*arctan(1/2)) or denominator of tan(2*n*arctan(1/2)).at n=7A066771
• Largest leg in right triangle with relatively prime sides and hypotenuse 5^n.at n=6A067312
• Let (A,B)=(a(2*n),a(2*n+1)), then (A,B) is (even,odd), gcd(A,B)=1 and A^2 + B^2 = 5^n. Note: a(0)=0.at n=29A098122
• Real part of (2 + i)^n, where i = sqrt(-1).at n=14A139011
• Values of y such that x^2 + y^2 = 5^n with x and y coprime and 0 < x < y.at n=13A230711