The sequence e when b=[ 1,0,1,1,1,... ].

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =7a(6) =11a(7) =15a(8) =21a(9) =29a(10) =39a(11) =51a(12) =69a(13) =89a(14) =115a(15) =147a(16) =187a(17) =235a(18) =297a(19) =369a(20) =457a(21) =565a(22) =693a(23) =845a(24) =1031a(25) =1249a(26) =1507a(27) =1815a(28) =2175a(29) =2597