Number of k for which n does not divide Stirling cycle numbers [ {n \atop k} ].

Terms

a(0) =1a(1) =0a(2) =2a(3) =2a(4) =4a(5) =2a(6) =5a(7) =2a(8) =6a(9) =4a(10) =5a(11) =2a(12) =9a(13) =2a(14) =9a(15) =7a(16) =8a(17) =2a(18) =9a(19) =2a(20) =12a(21) =7a(22) =9a(23) =2a(24) =13a(25) =6a(26) =9a(27) =10a(28) =18a(29) =2