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%I #8 Jun 09 2019 06:36:28
%S 2,8,34,150,678,3116,14494,68032,321590,1528776,7301142,35003238,
%T 168359754,812041860,3926147730,19022666310,92338836390,448968093320,
%U 2186194166950,10659569748370,52037098259090,254308709196660
%N a(n) = number of integer strings s(0),...,s(n) counted by array T in A026386 that have s(n)=0; also a(n) = T(2n,n).
%H László Németh, <a href="https://arxiv.org/abs/1905.13475">Tetrahedron trinomial coefficient transform</a>, arXiv:1905.13475 [math.CO], 2019.
%Y Cf. A026378.
%K nonn
%O 0,1
%A _Clark Kimberling_
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