References to A126087

Expansion of c(2x^2)/(1-xc(2x^2)), where c(x) = (1-sqrt(1-4x))/(2x) is the g.f. of the Catalan numbers (A000108).
1, 1, 3, 5, 15, 29, 87, 181, 543, 1181, 3543, 7941, 23823, 54573, 163719, 381333


1 seqfan posts

Thu Nov 24 07:22:41 CET 2011    [seqfan] Re: sequence challenge

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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