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%I #4 Mar 27 2016 14:30:13
%S 5,522,17506,368606,6131236,89714397,1222378331,16017586392,
%T 205773378304,2622730297478,33419633878019,427875505471609,
%U 5523038725443790,72044774875932494,951266975170654957,12728521821662549888,172734660881786725453,2378751774455132263522
%N Number of set partitions of [n] having exactly nine pairs (m,m+1) such that m+1 is in some block b and m is in block b+1.
%H Alois P. Heinz, <a href="/A270963/b270963.txt">Table of n, a(n) for n = 14..220</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Partition_of_a_set">Partition of a set</a>
%Y Column k=9 of A270953.
%K nonn
%O 14,1
%A _Alois P. Heinz_, Mar 26 2016
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