2-ranks of difference sets constructed from Glynn type II hyperovals.

Terms

a(0) =1a(1) =1a(2) =5a(3) =7a(4) =21a(5) =37a(6) =89a(7) =173a(8) =383a(9) =777a(10) =1665a(11) =3441a(12) =7277a(13) =15159a(14) =31885a(15) =66645a(16) =139865a(17) =292757a(18) =613823a(19) =1285585a(20) =2694433a(21) =5644609a(22) =11828501a(23) =24782311a(24) =51928773a(25) =108802597a(26) =227978105a(27) =477674813a(28) =1000877759a(29) =2097121497