**Expansion of (1+x)c(x^2)/((1-xc(x^2))*sqrt(1-4x^2)), c(x) the g.f. of A000108.**

*1, 2, 5, 9, 21, 38, 86, 157, 349, 642, 1410, 2610, 5682, 10572, 22860, 42717, 91869*

*1 seqfan posts*

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

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