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A189667 Partial sums of A189664. 4
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

Cf. A189664, A189665, A189666.

Sequence in context: A082429 A047744 A163563 * A196390 A054846 A084520

Adjacent sequences:  A189664 A189665 A189666 * A189668 A189669 A189670

KEYWORD

nonn

AUTHOR

Clark Kimberling, Apr 25 2011

STATUS

approved

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Last modified August 24 03:51 EDT 2019. Contains 326260 sequences. (Running on oeis4.)