a(n) = 10*a(n-1) + 4*a(n-2), with a(0)=0, a(1)=1.
A190954
a(n) = 10*a(n-1) + 4*a(n-2), with a(0)=0, a(1)=1.
Terms
- a(0) =0a(1) =1a(2) =10a(3) =104a(4) =1080a(5) =11216a(6) =116480a(7) =1209664a(8) =12562560a(9) =130464256a(10) =1354892800a(11) =14070785024a(12) =146127421440
External references
- oeis: A190954