Sort then Add, a(1)=5.

Terms

a(0) =5a(1) =10a(2) =11a(3) =22a(4) =44a(5) =88a(6) =176a(7) =343a(8) =677a(9) =1354a(10) =2699a(11) =5398a(12) =8987a(13) =16876a(14) =33554a(15) =67009a(16) =67688a(17) =134476a(18) =268943a(19) =503632a(20) =526988a(21) =783877a(22) =1161665a(23) =2277331a(24) =3500708a(25) =3504286a(26) =3738854a(27) =7084642a(28) =7329320a(29) =7552699