OFFSET
0,1
COMMENTS
Previous name: "a(n) is root of square starting with digit 4: first term of runs."
MATHEMATICA
Table[Ceiling @ Sqrt[4 * 10^n], {n, 0, 24}] (* Amiram Eldar, Oct 08 2019 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Nov 15 1998
STATUS
approved