3054149297

Appears in sequences

• 4th binomial transform of (1,0,1,0,1,...), A059841.at n=14A081186
• a(n) = (3^(2*n) + 5^(2*n)) / 2.at n=7A081421
• For n>1, a(n) = 2*a(n-1) + 15*a(n-2); a(0)=1, a(1)=1.at n=14A120612