a(n) = 9*a(n-1) - 5*a(n-2), with a(0)=0, a(1)=1.
A190982
a(n) = 9*a(n-1) - 5*a(n-2), with a(0)=0, a(1)=1.
Terms
- a(0) =0a(1) =1a(2) =9a(3) =76a(4) =639a(5) =5371a(6) =45144a(7) =379441a(8) =3189249a(9) =26806036a(10) =225308079a(11) =1893742531a(12) =15917142384a(13) =133785568801
External references
- oeis: A190982