1095121

Appears in sequences

• Fibonacci sequence beginning 1, 23.at n=24A022393
• Denominators of continued fraction convergents to sqrt(357).at n=10A041677
• a(n) = 2*(-i)^n*(n*sin(c*(n+1)) - i*sin(-c*n))/sqrt(5) where c = arccos(i/2).at n=23A354044