Number of decimal digits in (10^n)!!.
A114488
Number of decimal digits in (10^n)!!.
Terms
- a(0) =1a(1) =4a(2) =80a(3) =1285a(4) =17831a(5) =228289a(6) =2782857a(7) =32828532a(8) =378285281a(9) =4282852764a(10) =47828527596a(11) =528285275911
External references
- oeis: A114488