id:A026242 - OEIS Search Results

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a(n) = j if n is L(j), else a(n) = k if n is U(k), where L = A000201, U = A001950 (lower and upper Wythoff sequences).

+0
7

1, 1, 2, 3, 2, 4, 3, 5, 6, 4, 7, 8, 5, 9, 6, 10, 11, 7, 12, 8, 13, 14, 9, 15, 16, 10, 17, 11, 18, 19, 12, 20, 21, 13, 22, 14, 23, 24, 15, 25, 16, 26, 27, 17, 28, 29, 18, 30, 19, 31, 32, 20, 33, 21, 34, 35, 22, 36, 37, 23, 38, 24, 39, 40, 25, 41 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n) = a(m) if a(m) has already occurred exactly once and n = a(m) + m, else a(n) = least positive integer that has not yet occurred.`
	CROSSREFS	`Also a(n) = \|s(n) - n\|, where s = A002251.` `Cf. A026272.` `Sequence in context: A026409 A085238 A026338 this_sequence A130526 A134834 A035583` `Adjacent sequences: A026239 A026240 A026241 this_sequence A026243 A026244 A026245`
	KEYWORD	`nonn,nice`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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