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A026358 a(n) = a(m) if a(m) has already occurred exactly once and n = a(m)+2m-2, else a(n) = least positive integer that has not yet occurred. 3
1, 2, 3, 2, 4, 5, 3, 6, 7, 8, 9, 4, 10, 11, 5, 12, 13, 14, 15, 6, 16, 17, 7, 18, 19, 8, 20, 21, 9, 22, 23, 24, 25, 10, 26, 27, 11, 28, 29, 30, 31, 12, 32, 33, 13, 34, 35, 14, 36, 37, 15, 38, 39, 40, 41, 16, 42, 43, 17, 44, 45, 46, 47, 18, 48, 49 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..66.

CROSSREFS

Sequence in context: A285904 A285714 A161908 * A304098 A239690 A208460

Adjacent sequences:  A026355 A026356 A026357 * A026359 A026360 A026361

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 30 17:12 EDT 2020. Contains 337440 sequences. (Running on oeis4.)