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%I #4 Mar 31 2012 12:35:46
%S 4,12,69,143,1051,1041,6722,8485,15907,8500,71585,72304,374159,192093,
%T 132237,83720,495591,405716,2262354,2347020,1676501,478044,3315250,
%U 5160917,5831333,1762619,2192192,1666381,8506917,12211917,58000458
%N Number of increasing sequences of n integers x(1),...,x(n) with values in 1..4*n such that x(j) divides x(k) if j divides k
%C Column 4 of A180383
%H R. H. Hardin, <a href="/A180386/b180386.txt">Table of n, a(n) for n=1..38</a>
%K nonn
%O 1,1
%A _R. H. Hardin_ Sep 01 2010