166501902

Appears in sequences

• a(n) = 6*a(n-1) - 9*a(n-2) + a(n-3), with a(0)=3, a(1)=6 and a(2)=18.at n=15A215455
• a(n) = 3*a(n-2) - a(n-3), with a(0)=3, a(1)=0, and a(2)=6.at n=30A215664