a(n) = n 8's sandwiched between two 1's.
A205088
a(n) = n 8's sandwiched between two 1's.
Terms
- a(0) =11a(1) =181a(2) =1881a(3) =18881a(4) =188881a(5) =1888881a(6) =18888881a(7) =188888881a(8) =1888888881a(9) =18888888881a(10) =188888888881
External references
- oeis: A205088