id:A109734 - OEIS Search Results

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In A109732, the number 2n+1 appears in position a(n).

+0
3

1, 2, 5, 3, 30, 6, 28, 4, 38, 26, 11, 7, 36, 29, 14, 8, 201, 39, 34, 27, 180, 12, 175, 9, 199, 37, 46, 31, 25, 15, 178, 10, 242, 202, 49, 40, 197, 35, 54, 32, 192, 158, 23, 13, 208, 176, 57, 16, 240, 200, 61, 41, 83, 47, 195, 33, 121, 42, 67, 17, 190, 179, 70, 18, 689, 243 (list; graph; listen)

	OFFSET	`0,2`
	EXAMPLE	`9 appears in position 30 in A109732, so a(4) = 30.`
	MATHEMATICA	`(* using the M generated in A109732 *) ms=Sort[M]; k=1; While[ms[[k]]==2k-1, k++ ]; k=k-1; Take[Ordering[M], k] (Noe)`
	CROSSREFS	`Cf. A109732, A109739, A109740.` `Sequence in context: A097754 A122992 A051497 this_sequence A077073 A106315 A100946` `Adjacent sequences: A109731 A109732 A109733 this_sequence A109735 A109736 A109737`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Aug 10 2005`
	EXTENSIONS	`More terms from T. D. Noe (noe(AT)sspectra.com) and Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 10 2005`

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Last modified November 24 19:42 EST 2009. Contains 167435 sequences.

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