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A026362 a(n) = a(m) if a(m) has already occurred exactly once and n = a(m)+2m-1, else a(n) = least positive integer that has not yet occurred. 3
1, 1, 2, 3, 4, 5, 2, 6, 7, 3, 8, 9, 4, 10, 11, 5, 12, 13, 14, 15, 6, 16, 17, 7, 18, 19, 20, 21, 8, 22, 23, 9, 24, 25, 26, 27, 10, 28, 29, 11, 30, 31, 32, 33, 12, 34, 35, 13, 36, 37, 14, 38, 39, 15, 40, 41, 42, 43, 16, 44, 45, 17, 46, 47, 48, 49, 18 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
CROSSREFS
Sequence in context: A143120 A353277 A308201 * A223490 A354749 A244734
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified April 20 12:36 EDT 2024. Contains 371844 sequences. (Running on oeis4.)