id:A046424 - OEIS Search Results

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4 steps needed to reach a prime under prime factor concatenation procedure.

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10, 15, 16, 26, 27, 95, 118, 119, 121, 132, 145, 202, 204, 217, 286, 295, 302, 308, 354, 361, 370, 377, 400, 437, 451, 453, 455, 471, 474, 483, 506, 518, 526, 528, 530, 545, 567, 600, 610, 616, 635, 649, 650, 654, 655, 672, 699, 700, 718, 720, 722, 735, 745 (list; graph; listen)

	OFFSET	`0,1`
	LINKS	`P. De Geest, Home Primes`
	EXAMPLE	`95 = 519 -> 519 = 3173 -> 3173 = 19167 -> 19167 = 36389 and 36389 is prime.`
	CROSSREFS	`Cf. A037271, A046411.` `Sequence in context: A063582 A074391 A164865 this_sequence A076226 A122435 A091049` `Adjacent sequences: A046421 A046422 A046423 this_sequence A046425 A046426 A046427`
	KEYWORD	`nonn`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 15 1998.`

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

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