9786710

Appears in sequences

• a(n) = a(n-1) + 4*a(n-2) - 4*a(n-3) for n > 2; a(0)=2, a(1)=3, a(2)=6.at n=23A137208
• Binomial transform of A169609.at n=22A168673
• a(n) = a(n-1) + 2*a(n-2) with a(0)=3, a(1)=4.at n=22A171160
• a(n) = (2 + 7*4^n)/3.at n=11A308124