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

0,3

Links

Table of n, a(n) for n=0..99.

Example

6! = 720 decimal = 2046 septimal, so a(6) = 6.

Crossrefs

Cf. A000142, A136690, A136691, A136692, A136693, A136695, A136696, A008904, A136697, A136698, A136699, A136700, A136701, A136702.

Sequence in context: A056129 A059433 A021042 * A164104 A050138 A108443

Adjacent sequences: A136691 A136692 A136693 * A136695 A136696 A136697

Keyword

base,easy,nonn

Author

Carl R. White, Jan 16 2008

Status

approved