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%I #24 Apr 24 2022 11:44:39
%S 1,17,232,540,2520,27702,59869,82657,2947885,5851737,37568808,
%T 297970002,478867545,5721476626,29961646177,65107456694,570931518444,
%U 2997997000002,9607464857096,53858918990529,299956723113202,1253472906066265,2171966135005184
%N Absolute value of the difference between largest square and largest cube each with n decimal digits.
%C a(n) = |A061433(n) - A061435(n)|, where A061433 and A061435 are the largest n-digit square and cube.
%H Harvey P. Dale, <a href="/A119273/b119273.txt">Table of n, a(n) for n = 1..90</a>
%F a(n) = (ceiling(10^(n/2)) - 1)^2 - (ceiling(10^(n/3)) - 1)^3.
%t Table[Abs[Floor[Sqrt[10^n-1]]^2-Floor[Surd[10^n-1,3]]^3],{n,30}] (* _Harvey P. Dale_, Apr 24 2022 *)
%Y Cf. A061433, A061435.
%K base,nonn
%O 1,2
%A _Zak Seidov_, May 12 2006
%E Corrected, extended, and definition clarified by _Harvey P. Dale_, Apr 24 2022