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%I #6 Nov 11 2015 19:17:51
%S 1,10,88,794,7639,79164,885128,10657588,137752283,1904555934,
%T 28068929900,439495830750,7288494061255,127654030808304,
%U 2355066281798588,45655570757683888,927984709909530539,19735811069218548106,438344811235148801632,10149979837759608190794
%N Number of permutations of [n] with exactly one occurrence of the consecutive pattern 3412.
%H Alois P. Heinz, <a href="/A264320/b264320.txt">Table of n, a(n) for n = 4..200</a>
%e a(4) = 1: 3412.
%e a(5) = 10: 14523, 24513, 34125, 34512, 35124, 43512, 45123, 45132, 45231, 53412.
%Y Column k=1 of A264319.
%K nonn
%O 4,2
%A _Alois P. Heinz_, Nov 11 2015