A136694 Final nonzero digit of n! in base 7.
1, 1, 2, 6, 3, 1, 6, 6, 6, 5, 1, 4, 6, 1, 2, 2, 4, 5, 6, 2, 5, 1, 1, 2, 6, 3, 1, 6, 3, 3, 6, 4, 2, 3, 4, 6, 6, 5, 1, 4, 6, 1, 6, 6, 5, 1, 4, 6, 1, 1, 1, 2, 6, 3, 1, 6, 6, 6, 5, 1, 4, 6, 1, 2, 2, 4, 5, 6, 2, 5, 1, 1, 2, 6, 3, 1, 6, 3, 3, 6, 4, 2, 3, 4, 6, 6, 5, 1, 4, 6, 1, 6, 6, 5, 1, 4, 6, 1, 2, 2
Offset: 0
Examples
6! = 720 decimal = 2046 septimal, so a(6) = 6.