%I #4 Oct 03 2014 15:21:07
%S 1,2,11,26,111,280,980,2599,8292,22644,67300
%N Number of subsets of {1,...,n} containing n and having at least one set partition into 9 blocks with equal element sum.
%Y Column k=9 of A248112.
%K nonn,more
%O 17,2
%A _Alois P. Heinz_, Oct 02 2014