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%I #3 May 29 2012 04:17:12
%S 0,1,3,15,52,199,722,2693,10052,37344,141943,528323,2020746,7720299,
%T 29535575,112041465,434810382,1666519344,6447232492,24895996003,
%U 96654652273
%N Number of nondecreasing sequences of n 1..n+1 integers with no element dividing the sequence sum
%C Superdiagonal 1 of A212868
%e All solutions for n=4
%e ..2....4....3....3....3....2....2....3....3....2....2....4....4....2....2
%e ..2....5....3....3....3....2....2....4....3....5....3....4....4....3....3
%e ..4....5....4....3....5....3....2....5....3....5....4....5....4....3....3
%e ..5....5....4....5....5....4....5....5....4....5....4....5....5....5....3
%K nonn
%O 1,3
%A _R. H. Hardin_ May 29 2012