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 A235993 #11 Aug 21 2020 17:07:31 %S A235993 1,4,9,16,18,25,36,46,49,52,61,63,64,81,94,100,112,121,136,144,148, %T A235993 163,169,184,196,211,225,234,243,252,256,259,265,279,289,295,297,298, %U A235993 316,324,342,361,400,414,418,423,432,441,448,478,481,484,487,522,526 %N A235993 Numbers having at least one anagram which is a square. %C A235993 An anagram of a k-digit number is one of the <= k! permutations of the digits that does not begin with 0. %H A235993 Chai Wah Wu, <a href="/A235993/b235993.txt">Table of n, a(n) for n = 1..10000</a> %e A235993 121 is in the sequence because 121 = 11^2. %e A235993 619 is in the sequence because 169, 196 and 961 are squares. %Y A235993 Cf. A000290, A007936 (leading zeros allowed), A046810, A055098, A235994. %K A235993 nonn,base %O A235993 1,2 %A A235993 _Colin Barker_, Jan 19 2014