A086391 Numbers n such that F(n^2+1) == 1 (mod n) where F(k) denotes the k-th Fibonacci number.

2, 3, 4, 7, 9, 10, 11, 12, 13, 17, 19, 20, 23, 24, 27, 28, 29, 31, 36, 37, 41, 43, 47, 48, 50, 53, 59, 60, 61, 63, 67, 71, 72, 73, 76, 79, 83, 84, 89, 96, 97, 99, 100, 101, 103, 107, 108, 109, 110, 113, 120, 127, 131, 137, 139, 140, 144, 149, 151, 157, 161, 163, 167, 168