A067478 - OEIS

%I #19 Mar 22 2021 02:42:40

%S 81,841,8100,80089,801025,8003241,80013025,800041225,8000050249,

%T 80000162649,800001447184,8000004951184,80000001609984,

%U 800000042569984,8000000160998400,80000000297200369,800000000000150481,8000000001435765625,80000000000015048100

%N Smallest n-digit square starting with 8.

%F a(n) = ceiling(sqrt(8*10^(n-1)))^2. - _Sascha Kurz_, Mar 18 2002

%t nS[n_] := Module[{lr = Floor[Sqrt[n]]}, If[lr^2==n, lr^2, (lr + 1)^2]]; Table[nS[8 10^i], {i, 0, 20}]

%Y Cf. A000290, A035075 (roots), A045791, A067479 (2..9).

%K nonn,base,easy

%O 2,1

%A _Amarnath Murthy_, Feb 09 2002

%E More terms from _Harvey P. Dale_, Feb 17 2002

%E Incorrect a(1) removed by _Jon E. Schoenfield_, Mar 21 2021