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

Terms

a(0) =1a(1) =1a(2) =3a(3) =7a(4) =13a(5) =23a(6) =45a(7) =87a(8) =167a(9) =321a(10) =619a(11) =1193a(12) =2299a(13) =4431a(14) =8541a(15) =16463a(16) =31733a(17) =61167a(18) =117903a(19) =227265a(20) =438067a(21) =844401a(22) =1627635a(23) =3137367a(24) =6047469a(25) =11656871a(26) =22469341a(27) =43311047a(28) =83484727a(29) =160921985