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Halved bisection of A001037.
Table of n, a(n) for n=0..25.
a(n) = A001037(2n+1)/2.
Cf. A001037, A059966.
Sequence in context: A105849 A243156 A228449 * A191637 A238978 A081914
Adjacent sequences: A131200 A131201 A131202 * A131204 A131205 A131206
Max Alekseyev, Sep 27 2007