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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.

A319787 Number of intersecting multiset partitions of normal multisets of size n.

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%I A319787 #7 Sep 28 2018 15:24:39
%S A319787 1,1,3,8,27,95,373,1532,6724
%N A319787 Number of intersecting multiset partitions of normal multisets of size n.
%C A319787 A multiset is normal if it spans an initial interval of positive integers.
%C A319787 A multiset partition is intersecting iff no two parts are disjoint.
%e A319787 The a(1) = 1 through a(3) = 8 multiset partitions:
%e A319787 1: {{1}}
%e A319787 2: {{1,1}}
%e A319787    {{1,2}}
%e A319787    {{1},{1}}
%e A319787 3: {{1,1,1}}
%e A319787    {{1,2,2}}
%e A319787    {{1,1,2}}
%e A319787    {{1,2,3}}
%e A319787    {{1},{1,1}}
%e A319787    {{2},{1,2}}
%e A319787    {{1},{1,2}}
%e A319787    {{1},{1},{1}}
%Y A319787 Cf. A007716, A049311, A283877, A305854, A306006, A316980, A317752.
%Y A319787 Cf. A319755, A319759, A319760, A319765, A319779, A319787, A319782, A319784, A319789.
%K A319787 nonn,more
%O A319787 0,3
%A A319787 _Gus Wiseman_, Sep 27 2018