%I #4 Oct 13 2012 14:23:51
%S 1,3,8,22,68,241,974,4410,21969,118698,688301,4250788
%N Row sums of triangle A171840
%e a(4) = 22 = (1 + 2 + 4 + 15) since (1, 2, 4, 15) = row 4 of triangle A171840.
%Y Cf. A171840
%K nonn
%O 1,2
%A _Gary W. Adamson_, Dec 19 2009
