A072145 - OEIS

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A072145

The period length of the 'Reverse and Subtract' trajectory of n is greater than 14.

100000114412, 100000124422, 100000125522, 100000126622, 100000177959, 100000192292, 100000214413, 100000215513, 100000218813, 100000221123, 100000228823, 100000248843, 100000269963, 100000271173, 100000302204 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	COMMENTS	`'Reverse and Subtract' (cf. A072137) is defined by x -> \|x - reverse(x)\|. - Subsequence of A072144.`
	EXAMPLE	`100000114412 -> 114410885589 -> 871177128822 -> 642355357644 -> 195601804398 -> 697806302193 -> 306602693397 -> 486793513206 -> 115521884478 and 115521884478 as a term of A072143 is the first term of the periodic part of the trajectory of 100000114412, period length is 22.`
	CROSSREFS	`Cf. A072137, A072140, A072142, A072143, A072144.` `Sequence in context: A017279 A017519 A017651 * A164935 A168340 A104799` `Adjacent sequences: A072142 A072143 A072144 * A072146 A072147 A072148`
	KEYWORD	`base,nonn`
	AUTHOR	`Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jun 24 2002`

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.