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%I #4 Jun 22 2022 00:40:48
%S 0,0,1,3,17,74,358,1631,7563,34751,160807
%N Subdiagonal of triangle A171871: Classifications of N elements containing exactly N-2 binary partitions.
%H R. Munafo, <a href="http://mrob.com/pub/math/seq-a005646.html">Classifications of N Elements</a>
%Y Cf. A171871.
%K nonn
%O 2,4
%A _Robert Munafo_, Jan 21 2010
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