Nialpdromes: digits in base 14 are in nonincreasing order.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =9a(10) =10a(11) =11a(12) =12a(13) =13a(14) =14a(15) =15a(16) =28a(17) =29a(18) =30a(19) =42a(20) =43a(21) =44a(22) =45a(23) =56a(24) =57a(25) =58a(26) =59a(27) =60a(28) =70a(29) =71