5 1 1 1 1 1
5 1 1 1 1 2
5 1 1 1 1 3
5 1 1 1 1 4...
think you see where this is going.
That must be why you’re the teacher and I’m not.
5 N N N N N
N 5 N N N N
N N 5 N N N
N N N 5 N N
N N N N 5 N
N N N N N 5
where N is some non-5 outcome of a roll...thus... ...exactly 6 such serial outcomes. Your list confuses permutations with combinations, ok?