This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A067476 #9 Feb 28 2025 16:25:45 %S A067476 64,625,6084,60025,600625,6002500,60000516,600005025,6000051600, %T A067476 60000012601,600000512409,6000001260100,60000004765089, %U A067476 600000028030404,6000000011750889,60000000353550625,600000001175088900 %N A067476 Smallest n-digit square starting with 6. %H A067476 Harvey P. Dale, <a href="/A067476/b067476.txt">Table of n, a(n) for n = 2..1000</a> %F A067476 a(n) = ceiling(sqrt(6*10^(n-1)))^2, n>1. - _Rick L. Shepherd_, Feb 18 2002 %t A067476 Ceiling[Sqrt[6*10^Range[20]]]^2 (* _Harvey P. Dale_, Feb 28 2025 *) %o A067476 (PARI) for(n=2,21,a=ceil(sqrt(6*10^(n-1)))^2; print(a)) %Y A067476 Cf. A035073 (roots), A045789, A067479 (2..9). %K A067476 base,easy,nonn %O A067476 2,1 %A A067476 _Amarnath Murthy_, Feb 09 2002 %E A067476 More terms from _Rick L. Shepherd_, Feb 18 2002