Highly cototient numbers: records for a(n) in A063741.

Terms

a(0) =2a(1) =4a(2) =8a(3) =23a(4) =35a(5) =47a(6) =59a(7) =63a(8) =83a(9) =89a(10) =113a(11) =119a(12) =167a(13) =209a(14) =269a(15) =299a(16) =329a(17) =389a(18) =419a(19) =509a(20) =629a(21) =659a(22) =779a(23) =839a(24) =1049a(25) =1169a(26) =1259a(27) =1469a(28) =1649a(29) =1679