A060138 - OEIS

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A060138

Ordered set S defined by these rules: 0 and 2 are in S and if x is a nonzero number in S, then 2x-1 and 4x are in S.

0, 2, 3, 5, 8, 9, 12, 15, 17, 20, 23, 29, 32, 33, 36, 39, 45, 48, 57, 60, 63, 65, 68, 71, 77, 80, 89, 92, 95, 113, 116, 119, 125, 128, 129, 132, 135, 141, 144, 153, 156, 159, 177, 180, 183, 189, 192, 225, 228, 231, 237, 240, 249, 252, 255, 260, 263, 269, 272, 281 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`The numbers 2 and 4x occupy the same positions in S that 1 occupies in the infinite Fibonacci word (A003849).`
	REFERENCES	`Preprint available from Clark Kimberling`
	CROSSREFS	`Sequence in context: A025033 A122933 A091513 * A139487 A162586 A189086` `Adjacent sequences: A060135 A060136 A060137 * A060139 A060140 A060141`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu), Mar 05 2001`

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Last modified February 14 10:43 EST 2012. Contains 205614 sequences.