id:A066251 - OEIS Search Results

Search: id:A066251

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Inverse permutation to A066250.

+0
4

1, 3, 2, 5, 4, 7, 6, 8, 10, 9, 12, 11, 16, 13, 18, 14, 22, 15, 28, 17, 30, 19, 36, 20, 40, 21, 42, 23, 46, 24, 52, 25, 58, 26, 60, 27, 66, 29, 70, 31, 72, 32, 78, 33, 82, 34, 88, 35, 96, 37, 100, 38, 102, 39, 106, 41, 108, 43, 112, 44, 126, 45, 130, 47, 136, 48, 138, 49, 148 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Permutation of natural numbers.`
	LINKS	`Index entries for sequences that are permutations of the natural numbers`
	FORMULA	`a(n) = (if n is odd then A000040((n+1)/2) else A002808(n/2)) - 1.`
	CROSSREFS	`Cf. A066250, A000040, A002808, A066248, A066255.` `Sequence in context: A054069 A135762 A066250 this_sequence A114882 A004442 A065190` `Adjacent sequences: A066248 A066249 A066250 this_sequence A066252 A066253 A066254`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Dec 09 2001`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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