a(n) = 10*a(n-1) - 16*a(n-2), with a(0) = 0 and a(1) = 3.
A120689
a(n) = 10*a(n-1) - 16*a(n-2), with a(0) = 0 and a(1) = 3.
Terms
- a(0) =0a(1) =3a(2) =30a(3) =252a(4) =2040a(5) =16368a(6) =131040a(7) =1048512a(8) =8388480a(9) =67108608a(10) =536870400a(11) =4294966272a(12) =34359736320a(13) =274877902848
External references
- oeis: A120689