A053843 - OEIS

A053843

(Sum of digits of n written in base 8) modulo 8.

0, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 0, 2, 3, 4, 5, 6, 7, 0, 1, 3, 4, 5, 6, 7, 0, 1, 2, 4, 5, 6, 7, 0, 1, 2, 3, 5, 6, 7, 0, 1, 2, 3, 4, 6, 7, 0, 1, 2, 3, 4, 5, 7, 0, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 0, 2, 3, 4, 5, 6, 7, 0, 1, 3, 4, 5, 6, 7, 0, 1, 2, 4, 5, 6, 7, 0, 1, 2, 3, 5, 6, 7, 0, 1, 2, 3, 4, 6

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

COMMENTS

a(n) is the seventh row of the array in A141803. - Andrey Zabolotskiy, May 18 2016

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..5000

Robert Walker, Self Similar Sloth Canon Number Sequences

FORMULA

a(n) = A010877(A053829(n)). - Andrey Zabolotskiy, May 18 2016

MATHEMATICA

Table[Mod[Plus @@ IntegerDigits[n, 8], 8], {n, 0, 50}] (* G. C. Greubel, Nov 02 2017 *)