a(n) = 10*a(n-1) - 8*a(n-2), with a(0)=0, a(1)=1.
A190990
a(n) = 10*a(n-1) - 8*a(n-2), with a(0)=0, a(1)=1.
Terms
- a(0) =0a(1) =1a(2) =10a(3) =92a(4) =840a(5) =7664a(6) =69920a(7) =637888a(8) =5819520a(9) =53092096a(10) =484364800a(11) =4418911232a(12) =40314193920a(13) =367790649344
External references
- oeis: A190990