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%I #14 Sep 08 2022 08:46:17
%S 12321,123201,130321,1232100,1320201,3101121,12320100,13032100,
%T 102030201,102232321,103002201,123210000,123232201,132020100,
%U 310112100,1232010000,1303210000,1322122321,1332323001,2103231321,10022212321,10130221201,10203020100,10203222121
%N Squares whose largest decimal digit is 3.
%C A subsequence of A000290.
%H Colin Barker, <a href="/A277947/b277947.txt">Table of n, a(n) for n = 1..100</a>
%o (PARI) L=List(); for(n=1, 10000, if(vecmax(digits(n^2))==3, listput(L, n^2))); Vec(L)
%o (Magma) [n^2: n in [1..1000000] | Maximum(Intseq(n^2)) eq 3]; // _Vincenzo Librandi_, Nov 06 2016
%Y Cf. A000290.
%Y Cf. A277946, A277948, A277960.
%K nonn,easy,base
%O 1,1
%A _Colin Barker_, Nov 05 2016
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