Primorial base Niven numbers (A333426) with a record gap to the next primorial base Niven number.

Terms

a(0) =1a(1) =2a(2) =9a(3) =12a(4) =25a(5) =50a(6) =120a(7) =344a(8) =400a(9) =770a(10) =1120a(11) =3920a(12) =13566a(13) =13734a(14) =19845a(15) =22748a(16) =148148a(17) =167854a(18) =176220a(19) =889896a(20) =2946216a(21) =3685416a(22) =5072256a(23) =7139280a(24) =8521056a(25) =9058900a(26) =9625336a(27) =17825857a(28) =19392072a(29) =27504848