%I #5 Mar 22 2016 19:12:42

%S 203,1283,8257,54692,374718,2661473,19610565,149888167,1187718179,

%T 9749390152,82822876970,727437579645,6598866824243,61763271567331,

%U 595865108592205,5919787896700720,60506938062384378,635715591580580381,6859852419023278269,75965077760416135623

%N Total sum of the sizes of all blocks with minimal element 7 in all set partitions of {1,2,...,n}.

%H Alois P. Heinz, <a href="/A270770/b270770.txt">Table of n, a(n) for n = 7..575</a>

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

%Y Column k=7 of A270702.

%Y A diagonal of A270701.

%K nonn

%O 7,1

%A _Alois P. Heinz_, Mar 22 2016