Binary Niven numbers (A049445) with a record gap to the next binary Niven number.

Terms

a(0) =1a(1) =2a(2) =12a(3) =24a(4) =96a(5) =690a(6) =1386a(7) =3024a(8) =3738a(9) =3794a(10) =5544a(11) =22834a(12) =57278a(13) =68908a(14) =89060a(15) =196240a(16) =360000a(17) =388421a(18) =524160a(19) =1556360a(20) =1572480a(21) =2359140a(22) =3929940a(23) =8057711a(24) =11484900a(25) =15201585a(26) =16115505a(27) =19910436a(28) =32444160a(29) =7348411575