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 A326015 #10 Jan 08 2022 08:57:06 %S A326015 1,0,1,1,1,0,1,1,3,2,4,4,5,3,3,4,6,2,7,6,13,9,19,16,27,21,40,33,47,37, %T A326015 54,48,66,51,65,65,77,64,80,71,96,60,106,95,112,93,152,114,191,131, %U A326015 242,192,303,210,366,300,482,352,581,450,713,539,882,689,995 %N A326015 Number of strict knapsack partitions of n such that no superset with the same maximum is knapsack. %C A326015 An integer partition is knapsack if every distinct submultiset has a different sum. %C A326015 These are the subsets counted by A325867, ordered by sum rather than maximum. %H A326015 Fausto A. C. Cariboni, <a href="/A326015/b326015.txt">Table of n, a(n) for n = 1..600</a> %e A326015 The a(1) = 1 through a(17) = 6 strict knapsack partitions (empty columns not shown): %e A326015 {1} {2,1} {3,1} {3,2} {4,2,1} {5,2,1} {4,3,2} {6,3,1} {5,4,2} %e A326015 {5,3,1} {7,2,1} {6,3,2} %e A326015 {6,2,1} {6,4,1} %e A326015 {7,3,1} %e A326015 . %e A326015 {5,4,3} {6,4,3} {6,5,3} {6,5,4} {7,5,4} {7,6,4} %e A326015 {7,3,2} {6,5,2} {8,5,1} {7,6,2} {9,4,3} {9,5,3} %e A326015 {7,4,1} {7,4,2} {9,3,2} {8,4,2,1} {9,6,1} {9,6,2} %e A326015 {8,3,1} {7,5,1} {9,4,2,1} {8,4,3,2} %e A326015 {9,3,1} {9,5,2,1} %e A326015 {10,4,2,1} %t A326015 ksQ[y_]:=UnsameQ@@Total/@Union[Subsets[y]] %t A326015 maxsks[n_]:=Select[Select[IntegerPartitions[n],UnsameQ@@#&&ksQ[#]&],Select[Table[Append[#,i],{i,Complement[Range[Max@@#],#]}],ksQ]=={}&]; %t A326015 Table[Length[maxsks[n]],{n,30}] %Y A326015 Cf. A002033, A108917, A275972, A276024. %Y A326015 Cf. A325863, A325864, A325877, A325878, A325880, A326016, A326017, A326018. %K A326015 nonn %O A326015 1,9 %A A326015 _Gus Wiseman_, Jun 03 2019