Sort then Add, a(1)=31.

Terms

a(0) =31a(1) =44a(2) =88a(3) =176a(4) =343a(5) =677a(6) =1354a(7) =2699a(8) =5398a(9) =8987a(10) =16876a(11) =33554a(12) =67009a(13) =67688a(14) =134476a(15) =268943a(16) =503632a(17) =526988a(18) =783877a(19) =1161665a(20) =2277331a(21) =3500708a(22) =3504286a(23) =3738854a(24) =7084642a(25) =7329320a(26) =7552699a(27) =10109498a(28) =10224397a(29) =11447876