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 A316482 #17 Feb 28 2024 10:48:00
%S A316482 21025,23104,32041,36100,63001,10125124,10176100,10233601,10530025,
%T A316482 10824100,11122225,11303044,11424400,12040900,12103441,12222016,
%U A316482 12602500,13315201,13322500,14055001,14600041,16008001,16080100,16810000,20205025,20214016,20611600
%N A316482 Squares whose arithmetic mean of digits is 2 (i.e., the sum of digits is twice the number of digits).
%C A316482 Each term's number of digits is in A174438 (Numbers that are congruent to {0, 2, 5, 8} mod 9). For every positive term k in A174438, this sequence contains at least one k-digit term, with the exception of k=2. (See A316480.)
%H A316482 Jon E. Schoenfield, <a href="/A316482/b316482.txt">Table of n, a(n) for n = 1..10000</a>
%e A316482 145^2 = 21025, a 5-digit number whose digit sum is 2+1+0+2+5 = 10 = 2*5, so 21025 is a term.
%Y A316482 Cf. A069711, A174438, A316480.
%Y A316482 Intersection of A000290 and A061385. - _Michel Marcus_, Jul 06 2018
%K A316482 nonn,base
%O A316482 1,1
%A A316482 _Jon E. Schoenfield_, Jul 04 2018