Number of zeros in the period of Fibonacci 5-step sequence A001591 mod n.

Terms

a(0) =1a(1) =4a(2) =35a(3) =7a(4) =156a(5) =70a(6) =400a(7) =12a(8) =45a(9) =624a(10) =1580a(11) =61a(12) =2380a(13) =1600a(14) =5460a(15) =18a(16) =5220a(17) =33a(18) =684a(19) =1092a(20) =14000a(21) =6320a(22) =523a(23) =52a(24) =185a(25) =9520a(26) =48a(27) =2800a(28) =2465a(29) =10920