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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.

A348714 Numbers whose divisors can be partitioned into two disjoint sets with equal arithmetic mean in a record number of ways.

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%I A348714 #5 Oct 31 2021 09:35:36
%S A348714 1,6,24,30,60,120,168,180,240,360,420,720,840,1260
%N A348714 Numbers whose divisors can be partitioned into two disjoint sets with equal arithmetic mean in a record number of ways.
%C A348714 The corresponding record values are 0, 1, 2, 3, 19, 72, 99, 136, 248, 3094, 10452, 78057, 1323260, 4686578, ...
%e A348714 6 is the smallest number whose set of divisors can be partitioned into two disjoint sets with equal arithmetic mean: {3} and {1, 2, 6}.
%e A348714 24 is the smallest number whose set of divisors can be partitioned into two disjoint sets with equal arithmetic mean in two ways: ({3, 12}, {1, 2, 4, 6, 8, 24}) and ({1, 2, 3, 24}, {4, 6, 8, 12}).
%t A348714 c[n_] := Count[Subsets[(d = Divisors[n])], _?(Mean[#] == Mean[Complement[d, #]] &)]/2; cm = -1; s = {}; Do[If[(c1 = c[n]) > cm, cm = c1; AppendTo[s, n]], {n, 1, 250}]; s
%Y A348714 Cf. A027750, A083212, A348713.
%K A348714 nonn,more
%O A348714 1,2
%A A348714 _Amiram Eldar_, Oct 31 2021