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%I #6 Nov 22 2017 01:39:31
%S 0,0,0,1,3,13,67,408,2874,23034,207185,2067928,22688218,271456443,
%T 3518003749,49097940464,734192914717,11711708730460,198519682344141,
%U 3563360442079351,67522465963443411,1346990675228935159,28217627569071978376,619338933079584448848
%N Sum of antidiagonals of triangle of 3-Stirling numbers of the first kind.
%H Edyta Hetmaniok, Barbara Smoleń, Roman Wituła, <a href="http://ceur-ws.org/Vol-1853/p07.pdf">The Stirling triangles</a>, Proceedings of the Symposium for Young Scientists in Technology, Engineering and Mathematics (SYSTEM 2017), Kaunas, Lithuania, April 28, 2017, p. 35-41.
%F a(n) = Sum_{k=0..[n/2]} A143492(n-k,k).
%K nonn
%O 3,5
%A _Eric M. Schmidt_, Nov 18 2017
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