0-sequence of reduction of (2n-1) by x^2 -> x+1.

Terms

a(0) =1a(1) =1a(2) =6a(3) =13a(4) =31a(5) =64a(6) =129a(7) =249a(8) =470a(9) =869a(10) =1583a(11) =2848a(12) =5073a(13) =8961a(14) =15718a(15) =27405a(16) =47535a(17) =82080a(18) =141169a(19) =241945a(20) =413366a(21) =704261a(22) =1196831a(23) =2029248a(24) =3433441a(25) =5798209a(26) =9774534a(27) =16451149a(28) =27646975a(29) =46397824