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A026223 (1/3)*s(n+1), where s = A026222. 0
1, 3, 5, 8, 9, 11, 14, 15, 17, 20, 23, 24, 26, 27, 29, 32, 33, 35, 38, 41, 42, 44, 45, 47, 50, 51, 53, 56, 59, 60, 62, 65, 68, 69, 71, 72, 74, 77, 78, 80, 81, 83, 86, 87, 89, 92, 95, 96, 98, 99, 101, 104, 105, 107, 110, 113, 114, 116, 119 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..59.

CROSSREFS

Sequence in context: A108594 A325425 A286048 * A034784 A190280 A261786

Adjacent sequences:  A026220 A026221 A026222 * A026224 A026225 A026226

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 16 19:39 EDT 2021. Contains 348044 sequences. (Running on oeis4.)