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 A356878 #31 Oct 13 2022 16:33:35 %S A356878 1,0,2,2,4,2,3,4,3,4,5,5,5,2,5,5,5,6,6,6,6,6,6,6,6,6,7,7,7,7,7,7,8,7, %T A356878 6,8,9,6,7,8,9,8,9,9,8,10,9,9,10,9,9,9,9,10,10,10,11,10 %N A356878 a(n) is the least number of binary zeros of squares with binary weight n. %H A356878 Karl-Heinz Hofmann, <a href="/A356878/a356878.txt">Table (like in example) with n = 0..57</a> %e A356878 Squares with | possible number of zeros %e A356878 binary weight | 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... %e A356878 n | the leftmost value is a(n) %e A356878 -----------------+---------------------------------------------------- %e A356878 0 | - 1 - - - - - - - - - - - - - - - %e A356878 1 | 0 - 2 - 4 - 6 - 8 - 10 - 12 - 14 - ... %e A356878 2 | - - 2 - 4 - 6 - 8 - 10 - 12 - 14 - ... %e A356878 3 | - - 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... %e A356878 4 | - - - - 4 - 6 - 8 - 10 - 12 - 14 - ... %e A356878 5 | - - 2 - 4 5 6 7 8 9 10 11 12 13 14 15 ... %e A356878 6 | - - - 3 4 5 6 7 8 9 10 11 12 13 14 15 ... %e A356878 7 | - - - - 4 5 6 7 8 9 10 11 12 13 14 15 ... %e A356878 8 | - - - 3 4 5 6 7 8 9 10 11 12 13 14 15 ... %e A356878 9 | - - - - 4 5 6 7 8 9 10 11 12 13 14 15 ... %e A356878 10 | - - - - - 5 6 7 8 9 10 11 12 13 14 15 ... %e A356878 11 | - - - - - 5 6 7 8 9 10 11 12 13 14 15 ... %e A356878 12 | - - - - - 5 6 7 8 9 10 11 12 13 14 15 ... %e A356878 13 | - - 2 - 4 - 6 7 8 9 10 11 12 13 14 15 ... %e A356878 14 | - - - - - 5 6 7 8 9 10 11 12 13 14 15 ... %e A356878 : | ... %Y A356878 Cf. A000120, A164343, A164344. %K A356878 nonn,base,hard,more %O A356878 0,3 %A A356878 _Karl-Heinz Hofmann_, Sep 30 2022