%I #5 Jan 20 2014 19:02:23
%S 2,0,0,1,0,0,1,0,829,0,1,135,33,1,13240,6875,4214,1120,32898,13380,
%T 916700,124480,1436212,984719,64373760,126300,1658572,10718156,
%U 10201655,151128452,59698016,302737587,335666252,302196960,1826553416,42810588352,9670953778
%N Number of binary words of length n with exactly 4 (possibly overlapping) occurrences of the subword given by the binary expansion of n.
%H Alois P. Heinz, <a href="/A236233/b236233.txt">Table of n, a(n) for n = 7..1000</a>
%Y Column k=4 of A233940.
%K nonn
%O 7,1
%A _Alois P. Heinz_, Jan 20 2014