Records in A101119, which forms the nonzero differences of A006519 and A003484.

Terms

a(0) =7a(1) =22a(2) =52a(3) =112a(4) =239a(5) =494a(6) =1004a(7) =2024a(8) =4071a(9) =8166a(10) =16356a(11) =32736a(12) =65503a(13) =131038a(14) =262108a(15) =524248a(16) =1048535a(17) =2097110a(18) =4194260a(19) =8388560a(20) =16777167a(21) =33554382a(22) =67108812a(23) =134217672a(24) =268435399a(25) =536870854a(26) =1073741764a(27) =2147483584a(28) =4294967231a(29) =8589934526