Number of compositions of n in which each part has odd multiplicity.

Terms

a(0) =1a(1) =1a(2) =1a(3) =4a(4) =3a(5) =10a(6) =16a(7) =28a(8) =49a(9) =91a(10) =186a(11) =266a(12) =670a(13) =884a(14) =2350a(15) =3028a(16) =8259a(17) =10536a(18) =30241a(19) =37382a(20) =108628a(21) =135550a(22) =391202a(23) =503750a(24) =1429838a(25) =1884659a(26) =5222976a(27) =7107138a(28) =19119324a(29) =27088726