132716

Appears in sequences

• Fibonacci sequence beginning 1, 19.at n=20A022109
• a(n) = 2*(-i)^n*(n*sin(c*(n+1)) - i*sin(-c*n))/sqrt(5) where c = arccos(i/2).at n=19A354044
• a(n) = Sum_{k=0..n} A001595(k)^2.at n=11A375500