A168455 3^n+n mod 7.

1, 4, 4, 2, 1, 3, 0, 3, 3, 1, 0, 2, 6, 2, 2, 0, 6, 1, 5, 1, 1, 6, 5, 0, 4, 0, 0, 5, 4, 6, 3, 6, 6, 4, 3, 5, 2, 5, 5, 3, 2, 4, 1, 4, 4, 2, 1, 3, 0, 3, 3, 1, 0, 2, 6, 2, 2, 0, 6, 1, 5, 1, 1, 6, 5, 0, 4, 0, 0, 5, 4, 6, 3, 6, 6, 4, 3, 5, 2, 5, 5, 3, 2, 4, 1, 4, 4, 2, 1, 3, 0, 3, 3, 1, 0, 2, 6, 2, 2, 0, 6, 1, 5, 1, 1

Offset

0,2

Comments

Period 42: 1,4,4,2,1,3,0,3,3,1,0,2,6,2,2,0,6,1,5,1,1,6,5,0,4,0,0,5,4,6,3,6,6,4,3,5,2,5,5,3,2,4.

Links

Table of n, a(n) for n=0..104.

Mathematica

Mod[3^# + #, 7] & /@ Range[0, 168]

Crossrefs

Sequence in context: A173635 A196766 A153163 * A300153 A182781 A291085

Adjacent sequences: A168452 A168453 A168454 * A168456 A168457 A168458

Keyword

nonn

Author

Zak Seidov, Nov 26 2009

Status

approved