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A189631 Partial sums of A189628. 3
0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 8, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 12, 12, 12, 12, 13, 13, 13, 14, 14, 15, 15, 15, 15, 16, 16, 17, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 21, 21, 21, 21, 22, 22, 23, 23, 23, 23, 24, 24, 24, 25, 25, 25, 26, 26, 27, 27, 27 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,6
COMMENTS
See A189628.
LINKS
FORMULA
s(n)=[n/3]+s([(n+1)/3])-s([n/3]), where s(0)=0.
MATHEMATICA
(See A189638.)
CROSSREFS
Sequence in context: A095186 A265340 A356993 * A101402 A156251 A116458
KEYWORD
nonn
AUTHOR
Clark Kimberling, Apr 24 2011
STATUS
approved

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Last modified May 18 19:36 EDT 2024. Contains 372666 sequences. (Running on oeis4.)