"BFK" (reversible, size, unlabeled) transform of 1,3,5,7...

Terms

a(0) =1a(1) =1a(2) =3a(3) =8a(4) =12a(5) =31a(6) =86a(7) =149a(8) =292a(9) =738a(10) =2359a(11) =3599a(12) =7827a(13) =14127a(14) =33455a(15) =105670a(16) =159980a(17) =313869a(18) =581542a(19) =1075123a(20) =2211132a(21) =7160312a(22) =10196031a(23) =19981105a(24) =34309067a(25) =63321797a(26) =106307767a(27) =216852432a(28) =656078224a(29) =932479907