A091139 Row sums of triangle A091063.
1, 1, 2, 5, 16, 66, 346, 2229, 17000, 148898, 1465364, 15957314, 190158712, 2459041744, 34278016954, 512253587397, 8168812190472, 138450960309882
Offset: 0
Keywords
Crossrefs
Cf. A091063.
Formula
G.f.: A(x) = 1/(1-x*g(x)) where g(x) is the g.f. of A075834 shift 1 place left.
Comments