0,2

First bisection a(2n) = 1, 3, 14, 75, 429, ... =A026004.

Sequence in context: A047171 A094557 A026307 this_sequence A083303 A078610 A108825

Adjacent sequences: A139813 A139814 A139815 this_sequence A139817 A139818 A139819

nonn

Paul Curtz (bpcrtz(AT)free.fr), Jun 14 2008