a(n) is the total binary weight of all persolus bitstrings of length n.

Terms

a(0) =1a(1) =0a(2) =2a(3) =4a(4) =5a(5) =10a(6) =18a(7) =28a(8) =46a(9) =76a(10) =121a(11) =192a(12) =305a(13) =480a(14) =751a(15) =1172a(16) =1822a(17) =2822a(18) =4359a(19) =6716a(20) =10322a(21) =15830a(22) =24230a(23) =37020a(24) =56467a(25) =85998a(26) =130787a(27) =198640a(28) =301325a(29) =456568