a(1)= 10000, a(2)= 10000; for n>2, a(n)= ( a(n-2) + a(n-1) ) (mod 20000).

Terms

a(0) =10000a(1) =10000a(2) =2a(3) =10002a(4) =10004a(5) =6a(6) =10010a(7) =10016a(8) =26a(9) =10042a(10) =10068a(11) =110a(12) =10178a(13) =10288a(14) =466a(15) =10754a(16) =11220a(17) =1974a(18) =13194a(19) =15168a(20) =8362a(21) =3530a(22) =11892a(23) =15422a(24) =7314a(25) =2736a(26) =10050a(27) =12786a(28) =2836a(29) =15622