OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..1994 (truncated by Georg Fischer, Apr 27 2019)
FORMULA
a(n) = round(10^(n/2)).
MAPLE
a:= proc(n) Digits:= 10+iquo(n, 2): round(sqrt(10)^n) end:
seq(a(n), n=0..40); # Alois P. Heinz, Apr 27 2019
MATHEMATICA
Floor[(Sqrt[10]^Range[0, 40]+1/2)] (* Vincenzo Librandi, Nov 19 2011 *)
PROG
(PARI) a(n)=round(sqrt(10)^n) \\ Charles R Greathouse IV, Nov 18 2011
(Magma) [Round(Sqrt(10)^n): n in [0..40]]; // Vincenzo Librandi, Nov 19 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved