Numbers which can be expressed as the product of numbers made of only twos.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =22a(6) =32a(7) =44a(8) =64a(9) =88a(10) =128a(11) =176a(12) =222a(13) =256a(14) =352a(15) =444a(16) =484a(17) =512a(18) =704a(19) =888a(20) =968a(21) =1024a(22) =1408a(23) =1776a(24) =1936a(25) =2048a(26) =2222a(27) =2816a(28) =3552a(29) =3872