11th column of A172119.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =32a(6) =64a(7) =128a(8) =256a(9) =512a(10) =1024a(11) =2047a(12) =4092a(13) =8180a(14) =16352a(15) =32688a(16) =65344a(17) =130624a(18) =261120a(19) =521984a(20) =1043456a(21) =2085888a(22) =4169729a(23) =8335366a(24) =16662552a(25) =33308752a(26) =66584816a(27) =133104288a(28) =266077952a(29) =531894784