Sum over all partitions of n into distinct parts of the bitwise XOR of the parts.

Terms

a(0) =0a(1) =1a(2) =2a(3) =6a(4) =6a(5) =11a(6) =16a(7) =35a(8) =36a(9) =46a(10) =50a(11) =84a(12) =94a(13) =130a(14) =158a(15) =285a(16) =338a(17) =424a(18) =460a(19) =616a(20) =672a(21) =810a(22) =816a(23) =1162a(24) =1346a(25) =1680a(26) =1754a(27) =2308a(28) =2562a(29) =3164