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 A131599 #15 Jul 02 2018 07:04:09 %S A131599 1,2,3,5,6,24,26,84,284,816,1424,1674,149274,278874,280726,2808716, %T A131599 2963576,8533626,23558584,27969274,28769826,29804174,47778874, %U A131599 88769826,282980174,297956374,884776174,934198626,1645509274,2660505174,2794331374,2829841374 %N A131599 Square roots of the numbers in A130448. %H A131599 Martin Raab, <a href="/A131599/b131599.txt">Table of n, a(n) for n = 1..55</a> (terms 1..50 from Giovanni Resta) %e A131599 24^2=576 and none of the substrings 5, 7, 6, 57, 76 or 56 is a square number. %Y A131599 Cf. A130448. %K A131599 base,nonn %O A131599 1,2 %A A131599 _Martin Raab_, Aug 31 2007 %E A131599 a(31)-a(32) from _Giovanni Resta_, Jan 08 2018