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 A356071 #13 Jul 25 2022 10:44:07 %S A356071 1,20864888,23309765,146095088,725027284,745400258,803458304, %T A356071 810273142,816409484,1663345356,2970502211,5035530306,5705842932, %U A356071 5801143392,5969549784,6143081912,6582975516,6801076116,6828208884,6830325216,6911416408,7248217206,7248822984,7317408465 %N A356071 Numbers whose square is in A108571. %C A356071 Square root of A181392. The last term is 999999999893438428238. %C A356071 There are no perfect powers beyond 1 in this sequence; see the comment in A181392. %H A356071 Michael De Vlieger, <a href="/A356071/b356071.txt">Table of n, a(n) for n = 1..1000</a>, computed from b-file at A181392. %e A356071 23309765 is a term since 23309765^2 = 543345144355225 has 1 digit '1', 2 digits '2', 3 digits '3', 4 digits '4' and 5 digits '5'. %t A356071 Map[Sqrt, Import["https://oeis.org/A181392/b181392.txt", "Data"][[1 ;; 24, -1]] ] (* _Michael De Vlieger_, Jul 25 2022, computed from b-file at A181392 *) %Y A356071 Cf. A108571, A181392, A225886, A356072. %K A356071 nonn,fini,base %O A356071 1,2 %A A356071 _Jianing Song_, Jul 25 2022