n-th nonnegative integer k satisfying cos(k) > sin(k+1).

Terms

a(0) =0a(1) =4a(2) =5a(3) =6a(4) =10a(5) =11a(6) =12a(7) =16a(8) =17a(9) =18a(10) =19a(11) =23a(12) =24a(13) =25a(14) =29a(15) =30a(16) =31a(17) =35a(18) =36a(19) =37a(20) =42a(21) =43a(22) =44a(23) =48a(24) =49a(25) =50a(26) =54a(27) =55a(28) =56a(29) =60