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%I #13 Sep 08 2022 08:45:44
%S 1,3,15,91,641,5147,46433,465081,5121789,61513799,800196799,
%T 11208394387,168193068805,2691956450679,45775335405729,
%U 824136306116113,15661462041469817,313277888390065739,6579708440058166031
%N a(n) is the sum of the terms of row n of triangle A159927.
%C a(n) = -A075374(n+4) + A075374(n+3), for n >= 1; -A075374(n+4) = the sum of all terms of triangle A159927 in rows 1 through n.
%o (Magma) S:=[1]; T:=S; s:=1; for m in [2..19] do T:=[ n lt m select T[n]+s else s: n in [1..m] ]; t:=&+T; s+:=t; Append(~S, t); end for; S; // _Klaus Brockhaus_, Jun 02 2009
%Y Cf. A159927, A075374.
%K nonn
%O 1,2
%A _Leroy Quet_, Apr 26 2009
%E More terms from _Klaus Brockhaus_, Jun 02 2009
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