a(1)=11; a(n) = floor((2 + sqrt(8))*a(n-1)) for n > 1.
A196468
a(1)=11; a(n) = floor((2 + sqrt(8))*a(n-1)) for n > 1.
Terms
- a(0) =11a(1) =53a(2) =255a(3) =1231a(4) =5943a(5) =28695a(6) =138551a(7) =668983a(8) =3230135a(9) =15596471a(10) =75306423a(11) =363611575a(12) =1755671991a(13) =8477134263a(14) =40931225015a(15) =197633437111a(16) =954258648503
External references
- oeis: A196468