"BGJ" (reversible, element, labeled) transform of 1,0,1,0... (odds).

Terms

a(0) =1a(1) =1a(2) =0a(3) =1a(4) =4a(5) =1a(6) =6a(7) =1a(8) =64a(9) =1513a(10) =130a(11) =3961a(12) =1024a(13) =39469a(14) =2380a(15) =1187551a(16) =69205504a(17) =4918849a(18) =294094986a(19) =48302713a(20) =3676570624a(21) =876055573a(22) =75640370740a(23) =4647158143