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 A277960 #8 Nov 07 2016 04:57:46 %S A277960 111,351,361,1110,1149,1761,3510,3610,10101,10111,10149,11100,11101, %T A277960 11490,17610,35100,36100,36361,36501,45861,100111,100649,101010, %U A277960 101011,101110,101149,101490,110101,111000,111001,111010,114111,114499,114900,176100,176361 %N A277960 Numbers n such that 3 is the largest decimal digit of n^2. %H A277960 Colin Barker, <a href="/A277960/b277960.txt">Table of n, a(n) for n = 1..100</a> %o A277960 (PARI) L=List(); for(n=1, 10000, if(vecmax(digits(n^2))==3, listput(L, n))); Vec(L) %Y A277960 Cf. A277947, A277959, A277961. %K A277960 nonn,base %O A277960 1,1 %A A277960 _Colin Barker_, Nov 06 2016