id:A132990 - OEIS Search Results

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Trajectory of 11 under map n -> A132988(n).

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11, 16, 18, 31, 32, 33, 23, 21, 37, 79, 67, 83, 54, 63, 77, 65, 157, 115, 158, 155, 227, 239, 250, 176, 150, 96, 84, 62, 98, 87, 50, 46, 40, 29, 22, 20, 24, 30, 38, 41, 36, 76, 64, 52, 60, 47, 53, 121, 331, 202, 112, 307, 507, 453, 267, 190, 128, 90, 116, 107, 147, 122 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`11 is the smallest number that does not belong to a cycle with elements <= 200000. Further numbers that do not belong to a cycle with elements <= 200000 and do not occur in the trajectory of a smaller number are 25, 59, 73, 75, 99, 125, ... .` `Conjecture: Sequence is not periodic.`
	EXAMPLE	`a(1) = A132988(11) = 16; a(2) = A132988(16) = 18.`
	CROSSREFS	`Cf. A132988, A132989, A132991.` `Sequence in context: A147333 A097156 A138791 this_sequence A074197 A106673 A131858` `Adjacent sequences: A132987 A132988 A132989 this_sequence A132991 A132992 A132993`
	KEYWORD	`nonn`
	AUTHOR	`Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Sep 14 2007`

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Last modified December 4 20:00 EST 2008. Contains 151309 sequences.

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