Integer part of 2^n/log(2^n).

Terms

a(0) =2a(1) =2a(2) =3a(3) =5a(4) =9a(5) =15a(6) =26a(7) =46a(8) =82a(9) =147a(10) =268a(11) =492a(12) =909a(13) =1688a(14) =3151a(15) =5909a(16) =11123a(17) =21010a(18) =39809a(19) =75638a(20) =144073a(21) =275050a(22) =526182a(23) =1008516a(24) =1936352a(25) =3723754a(26) =7171675a(27) =13831089a(28) =26708310a(29) =51636066