A119397 - OEIS

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A119397

Numbers taking exactly 21 steps to reach 15 in A086793.

71820, 103950, 127764, 135660, 141360, 161460, 173250, 183744, 193284, 203580, 206712, 209440, 214830, 217620, 221760, 223020, 223860, 234432, 243540, 244440, 246330, 247752, 256680, 263160, 264180, 265200, 280368, 281160, 286380, 287712 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`Some trajectories are: 71820,1104,168,102,36,46,18,30,27,22,9,13,5,6,12,19,11,3,4,7,8,15 103950,1134,168,... 127764,924,168,... 135660,1134,168,... 221760,1908,162,66,36,... 343728,1650,162,... 376992,2016,297,66,36,... All trajectories eventually join one of previous trajectories. In the first 136 terms <800000 there is only one odd number, 628425. Next odd terms are: 824175, 1340325, 1422135, 1495725 (see A119398).`
	CROSSREFS	`Cf. A086793, A119396-A119415.` `Sequence in context: A101250 A031865 A114661 * A025300 A025319 A097245` `Adjacent sequences: A119394 A119395 A119396 * A119398 A119399 A119400`
	KEYWORD	`base,nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), May 18 2006`

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Last modified February 16 09:00 EST 2012. Contains 205904 sequences.