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Number of permutations of [n] with exactly one occurrence of the consecutive pattern 1324.
2

%I #4 Nov 06 2015 17:13:15

%S 1,10,86,782,7571,78726,882997,10657118,137977980,1910131680,

%T 28178987795,441555002430,7326966011380,128386409972224,

%U 2369404379818067,45945570232645676,934057289766619391,19867567809865839562,441307130768553551181,10218971845916640741804

%N Number of permutations of [n] with exactly one occurrence of the consecutive pattern 1324.

%H Alois P. Heinz, <a href="/A264174/b264174.txt">Table of n, a(n) for n = 4..200</a>

%e a(4) = 1: 1324.

%e a(5) = 10: 12435, 13245, 13254, 14253, 14352, 21435, 24351, 31425, 41325, 51324.

%Y Column k=1 of A264173.

%K nonn

%O 4,2

%A _Alois P. Heinz_, Nov 06 2015