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%I #11 Aug 08 2018 18:14:05
%S 1,1,70,20251,19387201,47213021620,246331792085401,
%T 2443003220126326201,42187963284758541226270,
%U 1186523552401322210323083451,51563739785315001241213870794001,3318691262415781291317711866423813020,305473715050119138647351857854838738832401
%N Number of permutations of 4 copies of 1..n avoiding adjacent step pattern up, up.
%H Mingjia Yang, Doron Zeilberger, <a href="https://arxiv.org/abs/1805.06077">Increasing Consecutive Patterns in Words</a>, arXiv:1805.06077 [math.CO], 2018.
%K nonn
%O 0,3
%A _R. H. Hardin_, May 10 2010
%E a(8) from _Alois P. Heinz_, Oct 22 2013
%E a(0), a(9)-a(12) from _Alois P. Heinz_, Aug 08 2018
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