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 A060810 #15 Oct 06 2024 11:49:41 %S A060810 0,1,2,3,4,5,6,7,13,16,17,37,116,117,367 %N A060810 Numbers whose squares have their digits in strictly increasing order. %F A060810 a(n) = sqrt(A122683(n)). %e A060810 117^2 = 13689 and 1 < 3 < 6 < 8 < 9. %t A060810 Select[Range[0,400],Min[Differences[IntegerDigits[#^2]]]>0&] (* _Harvey P. Dale_, Oct 06 2024 *) %Y A060810 Cf. A122683. %K A060810 base,easy,full,nonn,fini %O A060810 1,3 %A A060810 _Erich Friedman_, Apr 29 2001