A027152 T(n,0) + T(n,1) + ... + T(n,[ n/2 ]), T given by A027144.

1, 1, 5, 7, 21, 31, 123, 209, 601, 971, 3647, 6589, 18565, 31375, 114203, 213073, 593073, 1030675, 3674615, 6997477, 19315165, 34221463, 120206611, 232218425, 637066249, 1144951835, 3976689519, 7765255757, 21202165941, 38528688671