id:A026342 - OEIS Search Results

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a(n) = a(m) if a(m) has already occurred exactly once and n = m+[ (m+1)/2 ], else a(n) = least positive integer that has not yet occurred.

+0
4

1, 1, 2, 3, 2, 3, 4, 5, 6, 7, 4, 5, 8, 6, 7, 9, 10, 11, 12, 8, 13, 14, 15, 9, 16, 10, 11, 17, 12, 18, 19, 13, 14, 20, 15, 21, 22, 16, 23, 24, 25, 17, 26, 27, 18, 28, 19, 29, 30, 31, 20, 32, 33, 21, 34, 22, 35, 36, 23, 24, 37, 25, 38, 39, 26, 27 (list; graph; listen)

	OFFSET	`1,3`
	CROSSREFS	`Sequence in context: A110516 A134986 A162751 this_sequence A078198 A098235 A114868` `Adjacent sequences: A026339 A026340 A026341 this_sequence A026343 A026344 A026345`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research