Records in A132199.

Terms

a(0) =1a(1) =5a(2) =11a(3) =23a(4) =47a(5) =101a(6) =233a(7) =467a(8) =941a(9) =1889a(10) =3779a(11) =7559a(12) =15131a(13) =30323a(14) =60647a(15) =121403a(16) =242807a(17) =486041a(18) =972533a(19) =1945649a(20) =3891467a(21) =7783541a(22) =15567089a(23) =31139561a(24) =62279171a(25) =124559609a(26) =249120239a(27) =498270791a(28) =996541661a(29) =1993083437