A049935 a(n)=a(1)+a(2)+...+a(n-1)+a(m), where m=2n-2-2^(p+1) and 2^p<n-1<=2^(p+1).

1, 1, 1, 4, 11, 19, 41, 97, 272, 448, 899, 1813, 3704, 7759, 16883, 39712, 111377, 183043, 366089, 732193, 1464464, 2929279, 5859923, 11725792, 23483537, 47110405, 94769960, 191737006, 392270525, 819925663, 1784477927, 4197144511