A189667 - OEIS

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A189667

Partial sums of A189664.

0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, 11, 12, 12, 12, 13, 13, 13, 13, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18, 19, 19, 19, 19, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 23, 24, 24, 25, 25, 25, 25, 26, 26, 27, 27, 27

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

OFFSET

1,6

COMMENTS

See A189664.

LINKS

Table of n, a(n) for n=1..82.

FORMULA

s(n)=[(n+1)/3]-s([(n+1)/3])+s([n/3]), where s(0)=0.

MATHEMATICA

(See A189664.)

CROSSREFS