a(n) = floor(n*exp(-csc(n))).

Terms

a(0) =0a(1) =0a(2) =0a(3) =14a(4) =14a(5) =215a(6) =1a(7) =2a(8) =0a(9) =62a(10) =29a(11) =77a(12) =1a(13) =5a(14) =3a(15) =515a(16) =48a(17) =68a(18) =0a(19) =6a(20) =6a(22) =74a(23) =72a(24) =47786a(25) =7a(26) =9a(27) =0a(28) =130a(29) =82a(30) =368