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A270768 Total sum of the sizes of all blocks with minimal element 5 in all set partitions of {1,2,...,n}. 3

%I

%S 15,82,456,2623,15717,98367,643401,4395802,31336468,232773295,

%T 1799100571,14446912419,120354176611,1038736540222,9275288018740,

%U 85580969753059,814958928731237,8000443830761623,80882083469431805,841236045441243662,8992982601018855952

%N Total sum of the sizes of all blocks with minimal element 5 in all set partitions of {1,2,...,n}.

%H Alois P. Heinz, <a href="/A270768/b270768.txt">Table of n, a(n) for n = 5..575</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Partition_of_a_set">Partition of a set</a>

%Y Column k=5 of A270702.

%Y A diagonal of A270701.

%K nonn

%O 5,1

%A _Alois P. Heinz_, Mar 22 2016

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Last modified February 17 12:14 EST 2020. Contains 331996 sequences. (Running on oeis4.)