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%I #5 Apr 03 2013 11:58:38
%S 0,0,0,0,1,18,219,2294,22457,212994,1992364,18553588,172889838,
%T 1616683912,15193902185,143632773054,1366274116893,13078787860290,
%U 125984999505040,1221032658065388,11904323953163434,116721427446951748,1150690705785803998
%N Number of permutations of length n avoiding 12345 and containing exactly 1 occurrence of 12354.
%C a(n) is also the number of permutations of length n avoiding 12354 and containing exactly 1 occurrence of 12345.
%H B. Nakamura, <a href="http://arxiv.org/abs/1301.5080">Approaches for enumerating permutations with a prescribed number of occurrences of patterns</a>, arXiv 1301.5080, 2013.
%p # Programs can be obtained from author's personal website.
%Y Cf. A224295.
%K nonn
%O 1,6
%A _Brian Nakamura_, Apr 03 2013
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