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A321142 Number of strict integer partitions of 2*n with no subset summing to n.

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%I A321142 #13 Jan 25 2022 04:20:59
%S A321142 0,1,2,3,5,7,11,15,23,30,43,57,79,102,138,174,232,292,375,471,602,741,
%T A321142 935,1148,1425,1733,2137,2571,3156,3789,4557,5470,6582,7796,9317,
%U A321142 11027,13058,15400,18159,21249,24971,29170,33986,39596,46073,53219,61711,71330,82171
%N A321142 Number of strict integer partitions of 2*n with no subset summing to n.
%H A321142 Fausto A. C. Cariboni, <a href="/A321142/b321142.txt">Table of n, a(n) for n = 0..200</a>
%e A321142 The a(1) = 1 through a(8) = 23 partitions:
%e A321142   (2)  (4)    (6)    (8)      (10)     (12)     (14)       (16)
%e A321142        (3,1)  (4,2)  (5,3)    (6,4)    (7,5)    (8,6)      (9,7)
%e A321142               (5,1)  (6,2)    (7,3)    (8,4)    (9,5)      (10,6)
%e A321142                      (7,1)    (8,2)    (9,3)    (10,4)     (11,5)
%e A321142                      (5,2,1)  (9,1)    (10,2)   (11,3)     (12,4)
%e A321142                               (6,3,1)  (11,1)   (12,2)     (13,3)
%e A321142                               (7,2,1)  (5,4,3)  (13,1)     (14,2)
%e A321142                                        (7,3,2)  (6,5,3)    (15,1)
%e A321142                                        (7,4,1)  (8,4,2)    (7,5,4)
%e A321142                                        (8,3,1)  (8,5,1)    (7,6,3)
%e A321142                                        (9,2,1)  (9,3,2)    (9,4,3)
%e A321142                                                 (9,4,1)    (9,5,2)
%e A321142                                                 (10,3,1)   (9,6,1)
%e A321142                                                 (11,2,1)   (10,4,2)
%e A321142                                                 (8,3,2,1)  (10,5,1)
%e A321142                                                            (11,3,2)
%e A321142                                                            (11,4,1)
%e A321142                                                            (12,3,1)
%e A321142                                                            (13,2,1)
%e A321142                                                            (6,5,4,1)
%e A321142                                                            (7,4,3,2)
%e A321142                                                            (9,4,2,1)
%e A321142                                                            (10,3,2,1)
%t A321142 Table[Length[Select[IntegerPartitions[n],And[UnsameQ@@#,!Or@@Table[SameQ[Total[#[[s]]],n/2],{s,Subsets[Range[Length[#]]]}]]&]],{n,2,20,2}]
%Y A321142 Cf. A002219, A006827, A108917, A237258, A275972, A279791, A284640, A305551.
%K A321142 nonn
%O A321142 0,3
%A A321142 _Gus Wiseman_, Oct 28 2018
%E A321142 a(33)-a(48) from _Giovanni Resta_, Oct 30 2018