599074576

Appears in sequences

• Squares of Lucas numbers.at n=21A001254
• Alternate Lucas numbers - 2.at n=21A004146
• Squares of even Lucas numbers.at n=7A014731
• Cyclotomic polynomials Phi_n at x=phi, floored down (where phi = tau = (sqrt(5)+1)/2).at n=41A063703
• Cyclotomic polynomials Phi_n at x=phi, rounded to nearest integer (where phi = tau = (sqrt(5)+1)/2).at n=41A063705
• a(n) = Lucas(4*n+2)-2 = Lucas(2*n+1)^2.at n=10A081071
• a(2n) = Lucas(2n+3)^2, a(2n+1) = Lucas(2n+1)^2.at n=18A105671
• a(2n) = Lucas(2n+3)^2, a(2n+1) = Lucas(2n+1)^2.at n=21A105671
• a(n) = Product_{k=1..n} (1 + 4*sin(2*Pi*k/n)^2).at n=21A152152
• Logarithmic derivative of the squares of the Fibonacci numbers (A007598, with offset).at n=20A173661
• a(n) = -4 + 5*Fibonacci(n+1)^2.at n=20A200408
• Continued fraction expansion of product_{n>=0} (1-sqrt(5)*[sqrt(5)-2]^{4n+3})/(1-sqrt(5)*[sqrt(5)-2]^{4n+1}).at n=25A221076
• The simple continued fraction expansion of F(x) := Product_{n >= 0} (1 - x^(4*n+3))/(1 - x^(4*n+1)) when x = 1/2*(3 - sqrt(5)).at n=41A221364
• Incorrect duplicate of A004146.at n=20A275571
• Number of odd chordless cycles in the 2n-Moebius ladder graph.at n=21A301773
• Determinant of the matrix [L(j+k) + d(j,k)]_{1<=j, k<=n}, where L(n) denotes the Lucas number A000032(n), and d(j,k) is 1 or 0 according as j = k or not.at n=19A360278