Numbers missing from A102370.

Terms

a(0) =1a(1) =2a(2) =7a(3) =12a(4) =29a(5) =62a(6) =123a(7) =248a(8) =505a(9) =1018a(10) =2047a(11) =4084a(12) =8181a(13) =16374a(14) =32755a(15) =65520a(16) =131057a(17) =262130a(18) =524279a(19) =1048572a(20) =2097133a(21) =4194286a(22) =8388587a(23) =16777192a(24) =33554409a(25) =67108842a(26) =134217711a(27) =268435428a(28) =536870885