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A026227 a(n) = (1/3)*(s(n) + 2), where s = A026226. 2
1, 3, 6, 7, 9, 12, 15, 16, 18, 19, 21, 24, 25, 27, 30, 33, 34, 36, 39, 42, 43, 45, 46, 48, 51, 52, 54, 55, 57, 60, 61, 63, 66, 69, 70, 72, 73, 75, 78, 79, 81, 84, 87, 88, 90, 93, 96, 97, 99, 100, 102, 105, 106, 108, 111, 114, 115, 117, 120 (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: A284473 A120684 A324927 * A026232 A286802 A297249

Adjacent sequences:  A026224 A026225 A026226 * A026228 A026229 A026230

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 19 14:36 EDT 2019. Contains 323395 sequences. (Running on oeis4.)