a(n) = 10*a(n-1) - 4*a(n-2), with a(0)=0, a(1)=1.
A190986
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) =96a(4) =920a(5) =8816a(6) =84480a(7) =809536a(8) =7757440a(9) =74336256a(10) =712332800a(11) =6825982976a(12) =65410498560a(13) =626801053696
External references
- oeis: A190986