Denominator of (ordinary) expansion of log((x/2-1)/(x-1)).

Terms

a(0) =1a(1) =2a(2) =8a(3) =24a(4) =64a(5) =160a(6) =128a(7) =896a(8) =2048a(9) =4608a(10) =10240a(11) =22528a(12) =16384a(13) =106496a(14) =229376a(15) =491520a(16) =1048576a(17) =2228224a(18) =524288a(19) =9961472a(20) =4194304a(21) =6291456a(22) =92274688a(23) =192937984a(24) =134217728a(25) =838860800a(26) =1744830464a(27) =3623878656a(28) =7516192768