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

Terms

a(0) =0a(1) =3a(2) =3340a(3) =1a(4) =6a(5) =186a(6) =2a(7) =9a(8) =82a(9) =2a(10) =11a(11) =57a(12) =1a(13) =12a(14) =48a(15) =0a(16) =12a(17) =43a(18) =0a(19) =12a(20) =40a(21) =0a(22) =12a(23) =38a(24) =44713a(25) =11a(26) =36a(27) =977a(28) =9a(29) =35