a(n) = 6*a(n-1) - 8*a(n-2) for n > 2; a(0) = 11, a(1) = 90, a(2) = 372.
A171470
a(n) = 6*a(n-1) - 8*a(n-2) for n > 2; a(0) = 11, a(1) = 90, a(2) = 372.
Terms
- a(0) =11a(1) =90a(2) =372a(3) =1512a(4) =6096a(5) =24480a(6) =98112a(7) =392832a(8) =1572096a(9) =6289920a(10) =25162752a(11) =100657152a(12) =402640896a(13) =1610588160a(14) =6442401792a(15) =25769705472a(16) =103079018496a(17) =412316467200
External references
- oeis: A171470