7^n mod 10000.

Terms

a(0) =7a(1) =49a(2) =343a(3) =2401a(4) =6807a(5) =7649a(6) =3543a(7) =4801a(8) =3607a(9) =5249a(10) =6743a(11) =7201a(12) =407a(13) =2849a(14) =9943a(15) =9601a(16) =7207a(17) =449a(18) =3143a(19) =2001a(20) =4007a(21) =8049a(22) =6343a(23) =4401a(24) =807a(25) =5649a(26) =9543a(27) =6801a(28) =7607a(29) =3249