Smallest Rhonda number to base b = n-th composite number, A002808(n).

Terms

a(0) =10206a(1) =855a(2) =1836a(3) =15540a(4) =1568a(5) =560a(6) =11475a(7) =2392a(8) =1000a(9) =1470a(10) =1815a(11) =1632a(12) =2695a(13) =2080a(14) =6764a(15) =7788a(16) =4797a(17) =3094a(18) =3024a(19) =1944a(20) =756a(21) =5661a(22) =8232a(23) =1000a(24) =12296a(25) =5824a(26) =4624a(27) =4851a(28) =8262a(29) =6561