OFFSET
2,1
FORMULA
a(n) = ceiling(sqrt(2*10^(n-1)))^2, n>1. - Rick L. Shepherd, Feb 14 2002
MATHEMATICA
Table[Ceiling[Sqrt[2*10^(n-1)]]^2, {n, 2, 30}] (* Harvey P. Dale, Apr 18 2021 *)
PROG
(PARI) for(n=2, 25, a=ceil(sqrt(2*10^(n-1)))^2; print(a))
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Feb 09 2002
EXTENSIONS
More terms from Rick L. Shepherd, Feb 14 2002
STATUS
approved