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A189730 Partial sums of A189727. 4
0, 1, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 10, 10, 11, 12, 13, 14, 14, 15, 16, 16, 16, 17, 18, 19, 20, 20, 21, 22, 22, 22, 23, 24, 25, 26, 26, 27, 28, 28, 28, 29, 30, 30, 31, 32, 33, 34, 34, 35, 36, 36, 37, 38, 38, 39, 40, 40, 40, 41, 42, 43, 44, 44, 45, 46, 46, 46, 47, 48, 48, 49, 50, 51, 52, 52, 53, 54, 54 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

See A189727.

LINKS

Table of n, a(n) for n=1..81.

FORMULA

s(n)=s([(n+2)/3])+[(n+1)/3]+[n/3]-s([n/3]), where s(0)=0, s(1)=0.

MATHEMATICA

(See A189727.)

CROSSREFS

Cf. A189727, A189728, A189729.

Sequence in context: A112232 A168389 A039708 * A249569 A094500 A049473

Adjacent sequences:  A189727 A189728 A189729 * A189731 A189732 A189733

KEYWORD

nonn

AUTHOR

Clark Kimberling, Apr 26 2011

STATUS

approved

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Last modified April 14 21:21 EDT 2021. Contains 342962 sequences. (Running on oeis4.)