Period of the Lucas 4-step sequence A073817 mod n.

Terms

a(0) =1a(1) =5a(2) =26a(3) =10a(4) =312a(5) =130a(6) =342a(7) =20a(8) =78a(9) =1560a(10) =120a(11) =130a(12) =84a(13) =1710a(14) =312a(15) =40a(16) =4912a(17) =390a(18) =6858a(19) =1560a(20) =4446a(21) =120a(22) =12166a(23) =260a(24) =1560a(25) =420a(26) =234a(27) =1710a(28) =280a(29) =1560