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A bisection of A136259.
2

%I #7 Mar 05 2020 02:59:25

%S 1,4,9,18,31,33,39,56,58,94,96,103,156,239,245,253,255,257,275,277,

%T 420,610,788,790,792,1070,1665,1667,1669

%N A bisection of A136259.

%F a(n) = A136259(2*n-1). - _Jinyuan Wang_, Mar 04 2020

%Y Cf. A136259, A238092.

%K nonn,more

%O 1,2

%A _N. J. A. Sloane_, Feb 20 2014