233802911

Appears in sequences

• a(n) = 7*a(n-1) - a(n-2) with a(0) = 0, a(1) = 1.at n=11A004187
• Denominators of continued fraction convergents to sqrt(45).at n=21A041077
• a(n) = F(8*n+4)/3, where F=A000045 (the Fibonacci sequence).at n=5A049678
• A Fibonacci convolution.at n=21A099483
• A Fibonacci convolution.at n=21A099484
• Largest proper divisor of the Fibonacci numbers > 1.at n=41A139045
• a(n) = Product_{k=1..(n-1)/2} (5 + 4*cos(k*Pi/n)^2).at n=22A152119
• Lower (1/3)-midsequence of (F(2n)) and (F(2n+1)), where F=A000045 (Fibonacci numbers); see Comments.at n=21A387782
• Upper (1/3)-midsequence of (F(2n)) and (F(2n+1)), where F=A000045 (Fibonacci numbers); see Comments.at n=21A387783