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 A325096 #12 Jul 27 2019 14:57:51 %S A325096 1,1,1,2,2,3,4,5,5,7,9,10,12,13,14,15,15,20,25,27,32,34,36,37,42,44, %T A325096 46,47,49,50,51,52,52,67,82,87,102,107,112,114,129,134,139,141,146, %U A325096 148,150,151,166,171,176,178,183,185,187,188,193,195,197,198,200,201 %N A325096 Number of maximal subsets of {1...n} with no binary carries. %C A325096 A binary carry of two positive integers is an overlap of the positions of 1's in their reversed binary expansion. %H A325096 Alois P. Heinz, <a href="/A325096/b325096.txt">Table of n, a(n) for n = 0..8192</a> %F A325096 a(2^n - 1) = A000110(n). %e A325096 The a(1) = 1 through a(9) = 7 maximal subsets: %e A325096 {1} {12} {3} {34} {25} {16} {7} {78} {69} %e A325096 {12} {124} {34} {25} {16} {168} {78} %e A325096 {124} {34} {25} {258} {168} %e A325096 {124} {34} {348} {249} %e A325096 {124} {1248} {258} %e A325096 {348} %e A325096 {1248} %t A325096 binpos[n_]:=Join@@Position[Reverse[IntegerDigits[n,2]],1]; %t A325096 stableQ[u_,Q_]:=!Apply[Or,Outer[#1=!=#2&&Q[#1,#2]&,u,u,1],{0,1}]; %t A325096 maxim[s_]:=Complement[s,Last/@Select[Tuples[s,2],UnsameQ@@#&&SubsetQ@@#&]]; %t A325096 Table[Length[maxim[Select[Subsets[Range[n]],stableQ[#,Intersection[binpos[#1],binpos[#2]]!={}&]&]]],{n,0,10}] %Y A325096 Cf. A000110, A019565, A050315, A080572, A247935, A267610, A267700. %Y A325096 Cf. A325095, A325099, A325100, A325101, A325103, A325104, A325107. %K A325096 nonn,look %O A325096 0,4 %A A325096 _Gus Wiseman_, Mar 27 2019 %E A325096 a(15)-a(61) from _Alois P. Heinz_, Mar 28 2019