Start of n consecutive indices k such that phi(k) contains distinct number of divisors.

Terms

a(0) =1a(1) =2a(2) =5a(3) =29a(4) =56a(5) =56a(6) =59a(7) =424a(8) =424a(9) =1351a(10) =1353a(11) =1353a(12) =4004a(13) =4004a(14) =4004a(15) =15212a(16) =40725a(17) =64098a(18) =76662a(19) =76662a(20) =192998a(21) =251887a(22) =489989a(23) =489991a(24) =1013057a(25) =4143368a(26) =4431511a(27) =4431511a(28) =4431511a(29) =8309350